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have trouble (in)doing 做...有麻烦
have trouble with sb. 和某人相处有麻烦
例句：我和同桌之间相处的不好。I have trouble with my deskmate.
Because of …… 因为……（人、物体）
because of you 因为有你
Because of + 句子
例句：因为他吃了午饭，所以现在不饿。
Because of he has had lunch yet，he isn‘t hungry now.
Because of + V-ing
例句：因为游泳，他放弃了学习。Because of swimming， he gave up the study.
drive the car into 把车子撞上某地
例句：我开车撞树上了。I drove the car into the tree.
I have ever seen 做定语从句, 修饰前边的faces
如果关系词在从句中做宾语, 关系词可以省略, 所以 I 前的which被省略
This is the most difficult thing I have ever done.
This is the most terrible news I have ever heard.
