1. keep up 保持；继续；不低落；不落后

eg. Keep up the struggle till you succeed.
继续战斗直到你们取得胜利[)0jE;MR-IF。

eg. I congratulate him for that, and we need to keep up the pressure on them.
对此我向他表示赞许I[u,nDL-uYz2)tq;o2。 我们有必要对他们保持压力e]hyvf13aJI。

2. get sick 生病；患病

eg. No one in America should go broke because they get sick.
美国的任何一个公民都不会因为生病而破产8yn7V!RQbw6cmzDjYFs_。

eg. Sometimes, I get sick because my body is trying to get my attention.
有时候以为我的身体想要吸引我的注意于是生病了Kq@~r%]]t%.!96。

3. shoot down 击落；驳倒，否决

eg. They claimed to have shot down one incoming missile.
他们声称已经击落了一枚来袭的导弹)Xa20fevPRPtd,m。

eg. He was prepared to suppress rebellion by shooting down protesters.
他准备枪杀抗议者来镇压叛乱JNsp-dg&G2^o0]@.。

4. drop out 退出；退学；脱离

eg. He'd dropped out of high school at the age of 16.
他16岁时就从高中退学了_1Y9f0X*Z81YtKn|。

eg. Unless you make a conscious decision to drop out, you will find that you have an increasing awareness of what it takes to succeed.
除非你做出了一个有意识的决定去脱离，你将发现你拥有了一个不断增长的意识觉知，明白如何去取得成功N]7%XM^I]=zT-5L=@Ta_。

5. launch out 出航；开始新的事情

eg. They launched out into a violent debate over proposal.
他们就一项提案开始了一场激烈的辩论;RE,v*IT%BmVH7。

6. catch up with 赶上，追上；逮捕；处罚

eg. The law caught up with him yesterday.
他于昨日落入法网a_;2*xV!CmXk|*。

eg. They should take some crash courses to catch up with their classmates.
他们应该参加一些速成课程来赶上他们的同学u^%(#gWs)H#。