A: Are you doing church for the holiday? I’m sure they miss you.
B: I haven’t decided. My mom’s been twisting my arm.
A: Make her happy. It won’t hurt all that much.
B: It sounds like 엄마랑 너랑 짜고 그러는 거지?

A: 휴가 때 교회행사 참여 할거야? 교회 사람들이 보고 싶어할 텐데.
B: 아직 결정 못했어. 엄마가 자꾸 가라고 압박하는데.
A: 어머니 좀 기쁘게 해드려라. 그렇게 힘든 일도 아니잖아.
B: You two are in cahoots!

[Additional expressions]
*Are you doing church for the holiday?
? Will you be at church during the holiday?
*I’m sure they miss you.
? I’ll bet they’d like to see you. / I’m certain they’d be happy if you went there.
*I haven’t decided.
? I’m not sure yet. / It’s up in the air. / I’ve not yet come to a decision about that.
*My mom’s been twisting my arm.
? My mother has been strongly trying to persuade me.
*Make her happy.
? Do something to give her a smile. / Give your mom something to be happy about.
*It won’t hurt all that much.
? It’s won’t kill you. / You can handle it. / It won’t be that painful.
*It sounds like you two are in cahoots!
? I get the feeling that you and she are working together on this!