be mad at

基本解释

It is better to "let them ask why and struggle with why, and be mad at God or the system, " she says.
其实，更好的方法是“让孩子们问为什么并挣扎于其中，怨恨老天或是某种制度”。
How do you know when you girlfriend's going to be mad at you, when you didn't meet her on time for the day?
你又怎么知道,当一天中你没有准时和女朋友会面，她什么时候会对你发飙呢？
Gordon: You are way too negative. Santa is a forgiving person, I'm sure we won't be mad at you when he is out delivering presents.
戈登：你也太消极了，圣诞老人是一个宽容的人，我相信当圣诞老人来分发礼物的时候，我们一定不会生你的气。
blog.sina.com.cn

Mom and dad are going to be very mad at me.
我爸妈会对我大发雷霆的。
I'm sure 实战 - SpeakingMax英语口语达人
My teacher is going to be so mad at me.
老师又该冲我发火了。
I'd better 实战 - SpeakingMax英语口语达人

If you are mad at the shape our country is in, be mad at the republicans.
FORBES: Mitt Romney's Campaign Cancels Staffers' Credit Cards In The Middle Of The Night
If you are mad Obama was re-elected, you can be mad at them for that one as well.
FORBES: Mitt Romney's Campaign Cancels Staffers' Credit Cards In The Middle Of The Night