TOEFL单词短语学习：

go over 复习，重温；仔细检查；转变；润色 (verb): review
- We still need to go over the final proposal before Friday.

tentative adj. 试验性的，暂定的；踌躇的 (adjective): not certain, not finalized, still in review
- Here are our tentative travel plans for next week's trip.

commence vt. 开始；着手 (verb): begin, start
- The meeting was supposed to commence at 9:00 AM, but it was postponed until tomorrow.

originally adv. 最初，起初；本来 (adverb): in the beginning, in the first place
- We were scheduled originally to go over the proposal today, but let's review it later.

extracurricular adj. 课外的；业余的；婚外的 (adjective): outside the regular curriculum
- Several extracurricular activities are being organized for the students this semester.

placement n. 布置；定位球；人员配置 (adjective, also noun): the act of placing something in a particular order or level
- The results of the placement tests will determine which level you should be in.

shuttle n. 航天飞机；穿梭；梭子；穿梭班机、公共汽车等(also noun): in this case, a bus that carries passengers from one point to another
- The shuttle should arrive in 10 minutes.

to be up to your ears in 相当忙(verb phrase): to be extremely busy
- I'll try to complete that report by 5:00 PM, but I'm up to my ears in other paper work, so I can't guarantee it will be finished.

to be hard pressed 处境窘迫的 (verb): to have difficulty doing something, especially because there is not enough time
- I'm going to be hard pressed to complete the presentation this evening.

get things rolling 把事情滚 (verb phrase): to start something
- If you help, we can get things rolling and complete the assignment by tomorrow.

jot down 草草记下 (verb): to write down a quick note
- Let me jot down your phone number so I don't forget it.

to find a needle in a hay stack 很难寻找到东西(verb phrase): extremely difficult or impossible to find something
- Locating the report in this filing cabinet like finding a needle in a hay stack.

tall order 离谱的要求；难以完成的任务 (noun): something difficult to do
- Completing this work order by noon is a real tall order.

to lend a hand 帮忙 帮助我 (verb phrase): to help
- Could you l end me a hand to move these boxes?

to give the green light 答应做某事(verb phrase): to give the okay or permission to
- The president of the company must give the green light before we proceed with the plan.

to wrap things up 包裹东西 (verb phrase): to complete or finish
- Since everyone lent a hand to the project, we were able to wrap things up in time for the party.

bottom line 结果；概要；帐本底线 (noun): the most important point
- We want to emphasize that the bottom line in our business is great customer satisfaction.