e in trouble: 处于困难中；
[例句]
I'll be in trouble if I get home late.
我回家晚了会揍的.
get someone into trouble:招来麻烦；使人陷入困境
[例句]
You'll get me into trouble if you tell Mum that I've lost my watch.
你要是告诉妈妈我把表丢了,就会给我招来麻烦.
You'll get into trouble if you park your car here.
你把汽车停在这儿会招来麻烦的.
go to trouble: 不怕麻烦；特意去做
[例句]
The teacher went to the trouble of compiling a handbook for the students.
老师不辞辛劳替学生编了一本手册.
save the trouble of: 省事；省麻烦
[例句]
Telephoning saves the trouble of writing.
打电话省了写信的麻烦.