1， struggle against 同。。。作斗争

He is struggling against the bad guys 他正在与坏人做斗争

2， struggle for 为。。。而斗争

He is struggling for his right 他正在为他的权力斗争

3， struggle to one's feet 挣扎着站起来

He is struggling to his feet 他正在挣扎着站起来

4， thanks to 幸亏

Thanks to you ，I can pass my test 幸亏有你，我才能通过我的考试

5， rid。。。of使。。。摆脱

He rid himself of debt 他还清了债

6， be satisfied with 对。。。感到满意

He is satisfied with his work 他对他自己的工作很满意

7， would rather do 宁愿做

He would rather work in the city 他 宁愿在城市工作

8， It is to be regretted that 令人遗憾的是

It's to be regretted that he didn't pass the test 令人遗憾的是他没有通过考试

9， build up 建立

You must build up your own confidence 你必须建立你自己的自信心

10， lead to 导致

Your mistake may lead to failure 你的错误有可能引导失败

11， focus on 集中注意力在

You must focus on your study 你必须集中注意在你的学习上

12， keep。。。free from 使。。。免受

I can keep the chair free from dirt by putting some paper on it 我能通过放一些纸使这个椅子不受尘土

13， keep away from 远离

You must keep away from smoking 你必须远离吸烟

14， with freedom 自由地

You can have fun with freedom here 你可以在这里自由地玩耍

15， equip。。。with 用。。。装备

You can equip the laptop with a nice mouse 你应该给这个手提电脑配备一个不错的鼠标

16，a grain of 一粒

A grain of rice can save a life 一粒米饭可以拯救一个生命

16， be rooted in 起源于

The story is rooted in an ancient times 这个故事起源于古代

17， in summary 概括地说

He can say some sentences in summary 他能概括地说几句话