Penny：So are the rest of the guys meeting us here?

Leonard：Oh, yeah... no. It turns out that Raj and Howard had to work, and Sheldon... had a colonoscopy and he hasn’t quite bounced back yet.

Penny：My uncle just had a colonoscopy.

Leonard：You’re kidding.Then that’s something we have in common.

Penny：How?

Leonard：We both have people in our lives who... want to nip intestinal polyps in the bud.

nip intestinal polyps in the bud

(1)nip… in the bud

【释】消灭于萌芽状态, 刚开始就消灭掉(海词,下同)

【例】nip the evil in the bud.

坏事应该在一开始就加以根除。

(2)intestinal polyps

【释】肠息肉

来源：http://www.mjenglish.org/forum.php