(as) mad as a March mare

完全失常的；疯癫的。

(as) timid as a hare

胆小如兔。

First catch your hare (then cook him).

【谚】兔子捉到之后才能烹煮；喻应付某人(事)时，应先有准备、把握。

run with the hare and hunt with the hounds

【文学】两面讨好；骑墙派。