wryly

He commented wryly that his new 'waterproof' watch stopped working after the first rain.

(Chinese) 他自嘲地评论说，他那块新的“防水”表在第一场雨后就停走了。

She smiled wryly when she realized she had spent an hour looking for the glasses on her head.

(Chinese) 当她意识到自己花了一个小时在找头顶上的眼镜时，她露出了苦笑。