181. help out帮……出困境
I don't know how to translate the passage. Please help me out.
182. hold on别挂电话
-- Is that Mary speaking?
-- Hold on, please. I'll get her.
183. hold out伸出
Hold your right arm out and let me examine it.
184. hold up举起
He is such a proud men., always holding his head up.
They were held up by the immigration authorities¹.
185. hurry up快点
Hurry up or we'll be late.
186. insist on坚持
He insisted on his innocence².
The little boy insisted on doing it by his own.
187. join in加入
Why don't you join in the conversation?
187. join up连接起来
We should join up and take actions to defend ourselves.
188. keep a record做记录
When you do an experiment, you'd better keep a record.
189. keep back扣
They keep back $200 a month from my salary for National Insurance.
190. keep fit保持身体健康
Nowadays keeping fit is a hot topic of people's conversations and focus of magazines and newspapers.
191. keep in touch with保持联络
Although he is abroad now, he can keep in touch with his friends by e-mail.
192. keep off让……远离
They made a big fire to keep wild animals off.
193. keep on doing sth.重复地做某事
Don't keep on asking silly questions.
Keep on working for a whole day made me exhausted³.
194. keep one's balance保持平衡
It's very important for an gymnastic to keep his/her balance.
Keeping balance of nature is of great significance.
195. keep one's promise遵守诺言
no one will believe those who don't keep their promises.
196. keep up振作精神；保持（习俗）；维持
Keep up your spirits! Keep you chin up!
Sometimes we should keep up old customs.
How much does it cost you to keep up such a large house and garden?
197. knock at敲门
Listen, I heard somebody knocking at the door.
198. knock into sb.撞倒
When I fell from the tree, I knocked into a passer-by.
199. knock out of把……敲出来
Grandfather was sitting at the table, knocking the ash out of his pipe.
200. laugh at嘲笑
Don't laugh at those who seem to be inferior⁴. 

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