I can make it in a walk.
그런 건 쉽게 딸 수 있어.

May: John， you're going to ruin your eyes if you keep working so closely at the computer like that.
John: You're right. I was about to take a break. When did you come back?
May: Just a minute ago. I applied at McDonald's today. I think I got a weekend job.
John: Yeah. But it doesn't pay good at all there. And how about your grades?
May: Well， I can make A's and B's in a walk.
John: I'm sure you will. But I don't like you spending the whole weekend serving food.
May: Oh， it's only part time work. I could be with you in the afternoon.

* a walk: ~을 쉽게 해내다， 보통 '학점 따위를 쉽게 취득하다'라고 말할 때 씀
* doesn't pay good: 보수를 많이 지급하지 않다. " It pays good.