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1·It was just a harmless frolic.

那不过是个无害的嬉闹游戏。《牛津词典》

2·It's just a bit of harmless fun.

开个小玩笑罢了，并无恶意的。《牛津词典》

3·The bacteria are harmless to humans.

这些细菌对人无害。《牛津词典》

4·Horoscopes are merely harmless escapism.

占星术只是无害的、让人逃避现实的消遣方式。《柯林斯英汉双解大词典》

5·It was just a piece of harmless frivolity.

这仅是无恶意的愚蠢行为。《牛津词典》

6·This experiment was harmless to the animals.

这个实验对动物无害。《柯林斯英汉双解大词典》

7·Not all chemicals normally present in living organisms are harmless.

并非所有正常存在于活的有机体中的化学物质都是无害的。《柯林斯英汉双解大词典》

8·Although it may look unpleasant, this condition is harmless and usually clears up with regular shampooing.

这可能不好看，但这种情况是无害的并且经常的洗头通常可以消除它。《柯林斯英汉双解大词典》

9·The mountain hasn't been entirely harmless, however.

然而，这座山并非完全无害。

10·On their own, cookies are generally harmless, if mildly intrusive.

就其本身而言，信息包通常是无害的，即使有轻微的干扰。

无害的

1·The bacteria are harmless to humans.

这些细菌对人无害。《牛津词典》

2·Horoscopes are merely harmless escapism.

占星术只是无害的、让人逃避现实的消遣方式。《柯林斯英汉双解大词典》

3·Not all chemicals normally present in living organisms are harmless.

并非所有正常存在于活的有机体中的化学物质都是无害的。《柯林斯英汉双解大词典》

4·Although it may look unpleasant, this condition is harmless and usually clears up with regular shampooing.

这可能不好看，但这种情况是无害的并且经常的洗头通常可以消除它。《柯林斯英汉双解大词典》

5·The mountain hasn't been entirely harmless, however.

然而，这座山并非完全无害。

无害化

1·The single disposal method have been proved not to be in the conformity with the principle of reducing quantity harmless ' reclamation .

单一的垃圾处置方式已经被证明不符合垃圾处置“减量化”、“无害化”、“资源化”的垃圾处置原则。

2·In addition, molluscicides with high efficacy and low toxicity are under investigation while the studies on biomolluscicides and harmless snails deserve more attention.

在灭螺方面，高效低毒的化学灭螺药在继续筛选中，生物灭螺和无害化钉螺的研究进展值得关注。

3·Sludge treatment and disposal technologies axe studied with the aims of harmless treatment and resource reuse.

以城市污泥的无害化处理和资源化利用为目标，研究污泥处理处置的技术。

4·The rate of harmless disposal of disposable medical appliance was very low.

一次性使用医疗用品的无害化处理率极低。

5·The rate of harmless disposal of disposable medical appliance was very low .

一次性使用医疗用品的无害化处理率极低。

无恶意的

1·It was just a piece of harmless frivolity.

这仅是无恶意的愚蠢行为。《牛津词典》

2·People often think of gossipers as harmless, but cruel lies can cause pain.

人们通常认为说闲话的人是无恶意的，但是残忍的谎言会给别人带来痛苦。

3·The trouble was sparked off by an apparently harmless phrase.

这场麻烦是由一句明显无恶意的话引起的。

4·Nevertheless as he was a harmless sort of fellow I did not like the idea of hurting his susceptibilities and so tolerated him as best I could.

但是，因为他是那种无恶意的人，我可不愿伤他那敏感的心，因此，我就尽可能容忍他。

5·I made a harmless remark to some guy at the bar and he swung at me.

在酒吧里我向某个家伙说了句无恶意的话，他就向我打了一拳。

无辜的

1·The key for both men and women, he says, is to appear harmless and vulnerable.

他说：对两性来说，最关键的都是要显露出无辜又不设防的样子。

2·Instead, Bartenev claims that he and his seven colleagues are harmless ecologists who had been working for an unnamed organisation.

与此不同的是，巴尔捷涅夫声称，他和他的7名同事是无辜的“生态学家”，服务于一个没有透露名字的组织。

无害处的

1·The dream itself to human and harmless, harmful is think that dream harmful psychological, make oneself produced psychological burden.

梦本身对人体并无害处，有害的是“认为做梦有害”的心理，使自己产生了心理负担。

2·Now it is harmless and helpful for this most populous and biggest continent to have some verbal attacks.

现在这个人口最多、面积最大的洲受到一些口头攻击，这是无害处的，是有益的。

不伤人的

1·I mean, have you ever seen a person who's armed and harmless?

我的意思是，难道你看过谁是“有武装却不伤人”吗？

(1)hold harmless免受损害协定；使不受损失