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.