1.pass out 昏倒, 失去知觉
I feel as though I'm going to pass out.
我感到要昏倒似的。

2.keep one's eyes on… 注视……
Would you keep your eyes on the road?
开车时,能不能注意看着马路?

3.give away 泄露
Don't give away the secret.
别把秘密捅出去。

4.go to waste 浪费(未被利用)
Don't let all this good food go to waste!
不要让这些好吃的东西白白浪费掉！