Fish in a Barrel 瓮中鳖
A:Hey, Bob! It’s good to see you.
B:Arden, hope I didn’t keep you.
A:Over there. He missed you coming in.
B:Thanks. That’ll do the trick?
A:Let’s sit.
C:Hey, Bob.
B:Hey, Chuck, I didn’t know you’re here. Hey, Chuck, Chuck Frechette, this is Arden.
C:Hiya.
B:That’s a fish in the barrel.