solemn/earnest/grave/serious.导航词义：严肃的，认真的

1. solemn:adj. 严肃的，庄重的.常指因发生不幸事件或处于庄重场合而非常严肃的，语义较强。

The mourners looked solemn at the funeral.

葬礼上，哀悼者神情严肃。

The Premier's burial was a solemn occasion.

总理的葬礼场面庄重。

He looked very solemn as he announced the decision.

在宣布这一决定时，他显得非常严肃。

2. earnest:adj. 郑重其事的，非常认真的.指人或举止认真而诚恳的。

The new secretary is earnest in her work.

新来的秘书工作很认真。

Mark is an earnest man.

马克是个真诚的人。

He had an earnest talk with his girlfriend.

他和女友进行了一次认真的交谈。

I made an earnest effort to persuade her.

我非常诚恳地努力说服她。

3. grave:adj. 严肃的，表情凝重的.尤指因发生重大或令人担心的事件而神情严肃的。

He stood there with a grave look when he heard the news.

他听到这个消息后，脸色凝重地站在那里。

His face was grave when I told him my decision.

当我告诉他我的决定时，他的脸色很严肃。

It was a woman, grave and dignified, who advanced to meet him.

朝他走过来的分明是一个妇人，严肃而端庄。

4. serious:adj. 严肃的，认真的.普通用词，指非常认真而并非开玩笑的，也指人神情严肃的或事情需要认真考虑的。

Do you think he is serious about leaving school?

你认为他当真要辍学吗？

I am pretty serious about what I said at lunch.

我午餐时说的话是非常认真的。

You look serious; is there anything wrong?

你看上去很严肃，出什么事了吗？

This is a serious question.

这是个非常严肃的问题。

全部

1·I'm in deadly earnest.

我是非常认真的。《牛津词典》

2·The earnest young doctor answered all our questions.

这个认真的年轻医生回答了我们所有的问题。《牛津词典》

3·The next day, an earnest editor wrote an editorial.

第二天，一个诚挚的编辑写了一篇社论。

4·Earnest, Huck—just as earnest as ever I was in my life.

我是认真的，哈克——像我平时那样认真。

5·We need to make committed and very earnest efforts to address these problems.

我们需要作出坚定和非常认真的努力来解决这些问题。

6·If I have to take exams, this is the stage when I would prepare in earnest for them.

如果我有必要参加考试，这个阶段是我会认真准备考试的时候。

7·He was very earnest and thoroughgoing about it, and the affair took quite a long time.

他做事很认真，很彻底，这件事花了很长时间。

8·In 1918 the Radium Institute, whose staff Irène had joined, began to operate in earnest, and became a centre for nuclear physics and chemistry.

1918年，员工艾琳加入的镭研究所开始认真运作，并成为核物理和化学中心。

9·An earnest expression, balding but with some beautiful white hair, thin lips, a sharp chin ... I remember thinking you were not handsome enough for me.

认真的表情，秃顶但有一些美丽的白发，薄薄的嘴唇，下巴很锋利……我记得我以为你不够帅。

10·The word religion is derived from the Latin noun religio, which denotes both earnest observance of ritual obligations and an inward spirit of reverence.

宗教一词源自拉丁语宗教名词，它既表示认真遵守仪式义务，又表示内向的崇敬精神。

认真

1·The earnest young doctor answered all our questions.

这个认真的年轻医生回答了我们所有的问题。《牛津词典》

2·We need to make committed and very earnest efforts to address these problems.

我们需要作出坚定和非常认真的努力来解决这些问题。

3·If I have to take exams, this is the stage when I would prepare in earnest for them.

如果我有必要参加考试，这个阶段是我会认真准备考试的时候。

4·He was very earnest and thoroughgoing about it, and the affair took quite a long time.

他做事很认真，很彻底，这件事花了很长时间。

5·In 1918 the Radium Institute, whose staff Irène had joined, began to operate in earnest, and became a centre for nuclear physics and chemistry.

1918年，员工艾琳加入的镭研究所开始认真运作，并成为核物理和化学中心。

诚挚

1·The next day, an earnest editor wrote an editorial.

第二天，一个诚挚的编辑写了一篇社论。

2·For while George was a husband and father of earnest strenuousness, the majority of his eight siblings turned out to be a giddy and ill-behaved crew.

尽管乔治是一位诚挚热情的丈夫和父亲，他的八个兄弟姐妹大都是轻率且品行不良。

3·Life is real, life is earnest.

人生真实，人生诚挚。

4·The next day, an earnest editor wrote an editorial. He appealed to everyone to help each other.

第二天，一个诚挚的编辑写了一篇社论。他呼吁每个人互相帮助。

5·Life is real! Life is earnest! And the grave is not its goal.

人生是真实的！人生是诚挚的！坟墓不是生命的终极。

热心

1·And not by his coming only, but by the consolation wherewith he was comforted in you, when he told us your earnest desire, your mourning, your fervent mind toward me; so that I rejoiced the more.

不但借着他来，也借着他从你们所得的安慰，安慰了我们。因他把你们的想念，哀恸，和向我的热心，都告诉了我，叫我更加欢喜。

2·But admen are among the first to embrace the idea in earnest.

但是广告人是最早热心这个创意的的人之一。

3·'if you want to ask for edification on these things of moment, there's a very earnest good man going to preach a charity-sermon to-day in the parish you are going to - Mr Clare of Emminster.

要是你想在这些问题上得到启发，在你要去的那个教区，今天有一个非常热心的好人要去作慈善讲道，他就是爱敏寺的克莱尔先生。

4·Other shortcomings are the subject of earnest internal debate too, such as Wikipedia's inherent bias towards trivial recent events rather than important historical ones.

在维基上的热心讨论的主题其他也是其缺点，比如，比起对重要的历史事件维基对当前微不足道的事件有固有的偏好。

5·but that your earnest care for us might be revealed in you in the sightof God.

乃要在神面前把你们顾念我们的热心表明出来。

严肃

1·Their play, and ours, appears to serve no other purpose than to give pleasure to the players, and apparently, to remove us temporarily from the anguish of life in earnest.

他们的玩耍，同我们的 一样，似乎并没有别的目的而只是给游戏者以愉悦，暂时把我们从严肃生活的痛苦中拉出来。

2·If all this sounds a bit earnest, don't worry: there will be plenty of fun in 2009 as well.

如果上面那些听起来有点严肃，别担心：2009年也有许多的乐事。

3·The 3d showings of Shrek Forever After (amusing green monsters rather than earnest blue ones) accounted for 61% of American box-office spending.

《怪物史瑞克》(滑稽的绿色怪物取代了严肃的蓝色怪物)的美国票房有61%来自3d影院。

4·At school he was very earnest but he's more relaxed now.

过去在学校时他很严肃，不过现在随和多了。

5·Milkings industry is not a simple production, supplied problem, it is an earnest industry really, in this industry, quality is first, also be only, won't do is the least bit and false and barratrous.

乳品行业并不是一个简简单单的生产、供应的问题，它实在是一个严肃的行业，在这个行业中，质量是第一的、也是惟一的，来不得半点虚假和怠慢。

热切

1·He has that phrase, Anything more than the truth would have seemed too weak to the earnest love that laid the swale in rows.

他有那样一句话，“任何超过真理的东西，相比那把洼地修刈成行的热切的爱，都显得无力。”

2·Despite some earnest waffle about addressing the long-term fiscal challenge, Mr Obama has been short on specifics.

尽管解决长期财政挑战措施中不乏热切的空谈，但奥巴马缺乏细节操作。

3·The earnest reformers in Rwanda also take justifiable pride in their accomplishments.

卢旺达热切的改革家们也完全有理由为他们取得的成绩感到自豪。

4·But the spiritual self is always there to guide us if we seek it with strong earnest desire.

但是，如果我们怀着强大、热切的愿望寻求它，精神自我总会为我们指点迷津。

5·All who will lay hold of God's promises, as he did, and be as earnest and persevering as he was, will succeed as he succeeded.

凡能像雅各一样持守上帝的应许，并像他一样热切呼求坚持到底的人，必能像他一样成功。

郑重

1·Therefore we ought to give the more earnest heed to the things which we have heard, lest at any time we should let them slip.

所以我们当越发郑重所听见的道理，恐怕我们随流失去。

2·The search for delta, then, will soon be on in earnest—and with it, the search for the reason why the universe is made of matter.

在这之后，对德尔塔（delta）的探求将郑重地拉开大幕——测定德尔塔（delta）之后，就要探求由物质构成宇宙的原因了。

3·I am sorry, earnest tell you, this is a little malapropos.

对不起，郑重告诉你，这有些不合时宜啦。

4·On their wedding, I presented my present in earnest.

在他们的婚礼上，我郑重地送上了我的礼物。

定金

1·He handed the two swindlers a rich earnest that they should set to work.

他给了那两个骗子一大笔定金，让他们马上开始工作。

2·As a first earnest of a new American resolve perhaps 20,000 extra American soldiers are to arrive in Afghanistan next year: not quite an Iraq-style surge, but much more than a trickle.

明年，美国可能将向阿富汗增兵20000余人，以此作为美国新决心的第一笔“定金”，虽不及伊拉克式的大手笔，但也不算小动作了。

3·As a first earnest of a new American resolve perhaps 20, 000 extra American soldiers are to arrive in Afghanistan next year: not quite an Iraq-style surge, but much more than a trickle.

明年，美国可能将向阿富汗增兵20000余人，以此作为美国新决心的第一笔“定金”，虽不及伊拉克式的大手笔，但也不算小动作了。

4·The money was given in earnest to finalize the contract.

这笔钱是作为敲定合同的定金。

5·All deposit, earnest and purchase monies in respect of the Property shall be paid to and deposited with the appointed Escrow Agent.

所有与房地产有关的保证金、定金和购买资金均应支付到或存放到指定的有条件转让契约代理处。

恳切

1·Is there some earnest prayer unanswered yet?

有些恳切的祈祷，有否回音？

2·With earnest prayer he committed himself to God and stepped up to the podium.

他恳切祷告，把自己完全交给上帝，走向了讲台。

(1)in earnest认真的；诚挚地；正经的

(1)in real earnestadv. 认真地

(1)in sad earnest[古语]十分严肃地，一本正经地