wry

听到这个荒谬的借口，他露出了一个苦笑。

He gave a ___wry grin at the ridiculous excuse.

他做了个鬼脸，一边嘴角挂着苦笑。

He made a face with a ___wry smile on one side.

她带着一丝讥讽的笑容说：“真是个好主意。”

She gave a ___wry smile and said, "What a brilliant idea."