1. get your act together（unit 8 but I hope you'll agree I've got my act together.）
(informal)to organize your life or work in a better way, especially by having clear goals and a plan for achieving them.集中精力
If you want to be finished by Monday, you'll have to get your act together.
2. get around （unit 10 It amazes me how news gets around in this place. ）
a. 到处旅行；游历；If you get around, you visit a lot of different places as part of your way of life.
b. 消息等传开，散播出去；If news gets around, it becomes well known as a result of being told to lots of people. [V P that] [it V P that]
c. 克服，解决问题或困难；To get around a problem or difficulty means to overcome it. [V P n]
example:None of these countries has found a way yet to get around the problem of the polarization of wealth.
这些国家都还没有找到办法来解决贫富分化的问题
3. get by
勉强过活；勉强应付；If you can get by with what you have, you can manage to live or do things in a satisfactory way. [V P] [V P on n]
I'm a survivor. I'll get by...
我挺过来了，我能应付下去。
4. get sb./sth. down
get sb. down
使沮丧；使忧郁；If something gets you down, it makes you unhappy. [V n P]
get sth. down
a. 写下；记下；If you get something down, especially something that someone has just said, you write it down. [V n P] [Also V P n (not pron)]
b. 费力地吞下；勉强咽下；If you get food or medicine down, you swallow it, especially with difficulty. [V n P] [Also V P n (not pron)] [Informal]
I bit into a hefty slab of bread and cheese. When I had got it down I started talking.
我咬了一大块面包和奶酪，强咽下去之后开始说话。
5. get off
a. 免受惩罚；逃脱严厉的惩罚；If someone who has broken a law or rule gets off, they are not punished, or are given only a very small punishment. [V P with n]
He is likely to get off with a small fine.
他可能会逃脱严惩，仅仅罚一点钱了事。
b. 出发；离开；If you get off, you leave a place because it is time to leave. [V P]
At eight I said 'I'm getting off now.'
8点钟的时候，我说“我现在要出发了。”
c. 走开；离开；If you tell someone to get off a piece of land or a property, you are telling them to leave, because they have no right to be there and you do not want them there. [V P n]
I told you. Get off the farm.
我告诉过你，离农场远点。
d. 入睡；If you get off, or get off to sleep, you succeed in falling asleep. [V P] [BRIT 英]
6. get up to mischief（The children are very quiet . I hope they're not getting up to mischief. ）
get up to
干令人不快的事；If you say that someone gets up to something, you mean that they do it and you do not approve of it. [V P P n] [disapproval] [BRIT 英] [mainly SPOKEN 主口语]
They get up to all sorts behind your back.
他们背着你干尽了坏事。
mischief
恶作剧;淘气;使坏的念头；Mischief is playing harmless tricks on people or doing things you are not supposed to do. It can also refer to the desire to do this
7. get down to business（Now we're all here，Let's get down to bussiness. ）
to start dealing with the matter that needs to be dealt with, or doing the work that needs to be done 着手处理正事；开始认真工作
8. get off my back（I wish my parents would get off my back. ）
used for telling someone to stop criticizing you or telling you what to do别再找我麻烦了
9. get/go back to basics（The football coach decided it was time for his team to get back to basics. ）
to start paying more attention to the most important aspects of something.重回正轨
10. get off the around
if you get a project off the ground, you start it and make it successful. You can also say that a project gets off the ground（成功地）开始,使...（成功）取得进展~
No volunteers came forward to enable the youth club to get off the ground.
11. get into（But I've also been getting into golf rencently. ）
a. 从事；致力于；If you get into a particular kind of work or activity, you manage to become involved in it. [V P n]
He was eager to get into politics.
他渴望进入政界。
b. 获准[入学]; 被录取；If you get into a school, college, or university, you are accepted there as a student. [V P n]
I was working hard to get into Cambridge.
我为能上剑桥大学而刻苦学习。
c. 使行为异常；使着魔；If you ask what has got into someone, you mean that they are behaving very differently from the way they usually behave. [V P n] [Informal]
What has got into you today? Why are you behaving like this?
你今天疯了吗？为什么要这样做呢？