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.