No problem/All right/Of course/You got it/Happy to help/Whatever you want(need)/All you have to do is ask.
拒绝
That depends/I don't think I can/I'd rather not/I don't think so/Sorry, I can't/Not this time/You are asking for too much/Forget it/No way.
A: Would you mind taking care of my plants while I'm out of town?
我不在城里的这段时间,你能帮我照顾我的植物吗?
B: Whatever you need, just tell me what I need to do.
你需要我帮你做什么都行,只要告诉我该怎么做就行。
A: Hey, would you mind closing the door?
嘿,你介意关上门吗?
B: Sure, no problem.
当然不,没问题。
A: Could you save my seat while I run and get some snacks?
我去买点儿零食,你能帮我看着点座位吗?
B: That depends. Can you bring me back something too?
那得看情况了。你能帮我也带点东西吗?