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

【釋】消滅于萌芽狀態, 剛開始就消滅掉(海詞,下同)

【例】nip the evil in the bud.

壞事應該在一開始就加以根除。

(2)intestinal polyps

【釋】腸息肉

來源：http://www.mjenglish.org/forum.php