Cramp  抽筋
The swimmer got cramp in his legs and had to be helped out of the water.
游泳者两腿抽筋, 不得不由他人救助出水.

Throw up  呕吐
She can't come; she has been throwing up all morning.
她来不了, 一上午她都在呕吐.

Feel one's pulse  量脉搏

What seems to be the matter?
大概是什么毛病?

Let me feel your pulse.
让我给你把把脉.