without compunction

Other countries, most infamously Russia, have used sexual entrapment in intelligence operations without compunction.

其它有些国家（最臭名昭著的就是俄国）就在间谍行动中毫无顾忌地使用了色诱陷阱。

She kept me waiting without the slightest compunction.

她让我久等却没有丝毫的歉意.

He stole the money without the slightest compunction.

他偷钱却丝毫不感到良心受谴责.

Some people can deceive others without compunction.

有些人可以毫无顾忌的欺骗他人。

She stood me up without compunction.

她没有良心不安让我空等。

He had lied to her without compunction.

他向她撒了谎却毫无愧疚。

Their lives ended without compunction or qualm.

他们没有任何愧疚或不安的杀了他们。

To meet the threat of an enemy without compunction, who sets the value of human life at naught, governments will need to beef up both.

眼下的敌人毫无悔疚之心，视人命如草芥；为应对其威胁，各国政府需加强以上两方面搜集情报工作。

I would have broken my word without compunction.

我会毫无内疚地食言.

She kept us waiting without the slightest compunction.

她一直让我们等著却毫无歉意.

He kept me waiting for half an hour without the slightest compunction.

他让我等了半小时,却没有一点点良心不安.