like mad造句

He's working like mad at the moment.
他眼下正在拼命地工作。

I was very frightened and clinging on like mad.
我很害怕,拼命地向上爬.

Thrusting themselves into the spirit of the farce, they ham it up like mad.
他们全力投入到这部闹剧中去，极尽搞怪之能事。