rare的副词形式是rarely。

rarely：adv.罕有;很少;不常；

比较级： more rarely最高级： most rarely

扩展资料

I deal with customers on the phone and rarely meet them face-to-face.

我用电话和客户打交道，很少和他们见面。

He's a player who rarely seems to get the credit he deserves.

他这个选手好像很少得到应得的赞扬。

We rarely agree on what to do.

我们很少在要做的事情上看法一致。

The police rarely shoot to kill.

一般来说，警察开枪不是要打死人。