Oh, no, it's fine. I'll come back later.
不 不用了 我等会儿再来
Wait up, killer.
Wanna quiz each other on the way to class?
Quiz each other for what?
Did you space on the physics test?
Oh, my god. Oh, my god!
I'll take that as a "Yes."
Um... yeah, I'm just gonna wing it.
This isn't winging material.
I've been up all night cramming.
If you've been up all night, how come you don't look like...
Sleep is overrated.
Um... you know what? Actually, could you cover for me?
And then if you're not too busy after school,
maybe you could come by and give me your physics notes.
1.come back 回来
例句：There is no telling when she will come back.说不准她什么时候回来。
2.each other 互相；各自
例句：They took out their resentments on each other.他们互相发泄怨气。
3.cover for 代替； 为 ... 打掩护
例句：I'll cover for Jane while she's on holiday.简休假时我替补她工作。