He pauses and gives a rueful smile .

他停下来，并懊恼地笑了一下。

He was rueful for joining the army .

他感到后悔去参军。

He thought of her with a rueful smile .

他苦笑着回想她。

Ciara shot her a rueful look as she poured herself a cup of coffee .

席亚拉枪杀了她一看，她悔恨自己倒了一杯咖啡。

One rival wall street executive describes goldman ( with rueful admiration ) as " a bunch of clever thugs " .

一位其竞争对手的高管（带着悔恨的羡慕之情），将高盛描述成是“一帮聪明的暴徒”。