forbid from: 禁止，不准
I can't forbid you/your seeing that man again.
我无法禁止你再和那个男人来往。

hang out with: 与……出去玩
I used to hang out with them when I was in college.
上大学的时候,我常跟他们呆在一起。


throw out: 仍出，丢弃
Do keep quiet or you'll throw me out in my calculations.
你可得安静点儿了，要不然我没法计算了。
He tried to throw a lasso but he got the rope all fouled up.
他想扔出个套索，却把绳子缠在一起了。

refer to: 谈及，提到
Don't refer to this matter again, please.
请不要再提这件事了。
The rule refers only to special cases.
这条规则只涉及一些特殊的情况。