leave it to me
We use this expression to tell someone that we are happy to take responsibility for doing something.
我们用这个短语来告诉某人我们很高兴为做某事负责。
A: I need to find someone who can fix my back fence.
我得找个能修我后围栏的人。
B: Leave it to me! I've already got all the tools and materials I'll need.
交给我吧!我已经有了所需的工具和材料。
A: Someone should tell Martin not to come in today as the meeting's cancelled.
谁来告诉马丁今天不用来了,因为会议取消了。
B: Leave it to me. I was going to phone him anyway.
交给我吧,反正我要给他打电话。