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, andSheldon... 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.
Leonard：We both have people in our lives who... want to nip intestinalpolyps in the bud.
nip intestinal polyps in the bud
(1)nip… in the bud
【例】nip the evil in the bud.