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1·It would be irresponsible to ignore the situation.

对这一状况不闻不问，那就是不负责任。《牛津词典》

2·He regarded the young man as feckless and irresponsible.

他认为这个年轻人软弱而且不负责任。《柯林斯英汉双解大词典》

3·Her casual dismissal of the threats seemed irresponsible.

她对这些威胁毫不在乎而不予理会，似乎很不负责任。《牛津词典》

4·Thick patchy fog and irresponsible driving were to blame.

浓重的分布不均的雾和不负责任的驾驶应受到责难。《柯林斯英汉双解大词典》

5·I felt that it was irresponsible to advocate the legalization of drugs.

我觉得主张毒品合法化是不负责任的。《柯林斯英汉双解大词典》

6·He was so irresponsible that I decided to dismiss him.

他如此不负责任，我决定解雇他。

7·Toad, gay and irresponsible, was walking briskly along the high road, some miles from home.

快活而不负责任的托德，在公路上轻快地走着，离家已有几英里。

8·Nobody flourishes in a gloomy environment with irresponsible staff and a poor safety record.

没有人能在一个员工不负责任、人身安全也没有保障的黑暗环境中成长。

9·Some irresponsible websites allowed restaurants to post false pictures that could mislead customers.

一些不负责任的网站允许餐馆发布一些误导顾客的虚假照片。

10·As the cost of getting your own satellite in orbit drops sharply, the risks of irresponsible use grow.

随着将自己的卫星送入轨道的成本大幅下降，不负责任使用卫星的风险也随之增加。

不负责任的

1·He regarded the young man as feckless and irresponsible.

他认为这个年轻人软弱而且不负责任。《柯林斯英汉双解大词典》

2·Thick patchy fog and irresponsible driving were to blame.

浓重的分布不均的雾和不负责任的驾驶应受到责难。《柯林斯英汉双解大词典》

3·Her casual dismissal of the threats seemed irresponsible.

她对这些威胁毫不在乎而不予理会，似乎很不负责任。《牛津词典》

4·He was so irresponsible that I decided to dismiss him.

他如此不负责任，我决定解雇他。

5·Toad, gay and irresponsible, was walking briskly along the high road, some miles from home.

快活而不负责任的托德，在公路上轻快地走着，离家已有几英里。

不可靠的

1·Obama and Sarkozy, it seemed, were tormented by the desire to restore reason to the world's most irresponsible nations.

要世界上最不可靠的国家恢复理智的愿望似乎使奥巴马和萨科齐极为烦恼。

2·Users needn't take responsibility for themselves, so fraud actions and irresponsible services exist in the applications. It is difficult to ensure the service quality.

用户不用为自身行为担负责任，且应用中存在欺诈行为以及不可靠的服务，使得服务质量无法得以较好的保证。

没有责任心的

1·The boss did not offer the lighthearted woman the position of manager because of his fear that she would be irresponsible.

老板没有让这个总是无忧无虑的女人担任经理一职，因为他担心她会没有责任心。

2·Those irresponsible people always like to spread gossip on network.

一些没有责任心的人总是喜欢在网上散布谣言。