These are the most common IDIOMS with UP and DOWN used in English:
 
以下是英语中最常用的含有up和down俚语：


UP
关于up的俚语


act up = to misbehave
行为不当


My son used to act up every day when he was little.我儿子小的时候，每天都要调皮捣蛋。
 
bottle up = stay hidden避而不谈
 
He would rather bottle up rather than solve the problems at work.他宁愿避而不谈也不愿解决工作中的问题。
 
break up = end a relationship分手
 
Jessica just broke up with her boyfriend.杰西卡刚和男朋友分手。
 
back up = to copy something as a security measure安全备份
 
My computer crashes three times this week, so I need to back up all my data now.这周我的电脑死机三次，所以我现在需要备份所有数据。
 
blow up = to get angry very fast发脾气
 
Mr. Moore blows up almost every class because Jack is always late.因为杰克总是迟到，摩尔先生几乎把每节课都搞砸了。
 
brighten up = to make cheerful, happy使高兴；使高兴
 
My sister tried to brighten up my day when I was feeling said.当我感觉有人说的时候，我姐姐试图让我的一天变得愉快。
 
butter up = to flatter奉承
 
She always butters up her boss when the new job position is available.当新的工作职位空缺时，她总是奉承她的老板。
 
catch up = to share news with someone跟某人分享新闻
 
I haven’t seen him for such a long time, and it was great to catch up.我好久没见他了，能赶上他真是太好了。
 
chat up = to have a light, friendly conversation聊天=轻松友好的交谈
 
She went to that bar only because she liked chatting up with the handsome bartender.她去那家酒吧只是因为她喜欢和英俊的酒保聊天。
 
come up with = think of something, a plan or an idea想出某物、计划或想法
 
We have to come up with a plan!我们必须想出一个计划！
 
cover up = to hide, conceal遮掩
 
Even in court, he still tried to cover up everything that he did.即使在法庭上，他仍然试图掩盖他所做的一切。
 
doll up = to dress formally, to dress for a special occasion打扮
 
My mom needs to doll up before her birthday party.我妈妈需要在生日聚会前打扮一下。
 
dress up = to have very nice clothes on穿上漂亮的衣服
 
Alicia always liked to dress up for her dates.艾丽西娅总是喜欢盛装赴约。
 
eat up = to believe immediately立刻相信
 
He ate up everything that his psychologist told him.他相信心理学家告诉他的一切。
 
end up – to turn out, conclude最后——结果是，得出结论
 
He ended up working at his father’s company.他最后在他父亲的公司工作。
 
fix up = to make right, adjust纠正
 
Melissa fixed up her dress before going out.梅丽莎出门前把衣服整理好。
 
give up = surrender, admit failure放弃=投降，承认失败
 
I will never give up.我永远不会放弃。
 
head up = to lead, to take charge领导，负责
 
You have to head up all the meetings today.你今天必须主持所有的会议。
 
DOWN关于down的俚语
 
back down = to take a less aggressive position采取不那么激进的立场
 
I was about to win the argument, but I had to back down.我本来想赢得这场争论，但我不得不放弃。
 
 
break down = to become unstable due to stress因压力而变得不适
 
She broke down today at work, so she took a day off.她今天上班时身体不适，所以请了一天假。
 
calm down = to become less excited冷静下来
 
Please, calm down before you hurt somebody.请在你伤害别人之前冷静下来。
 
clamp down on = to end something结束某事
 
dumb down = to convey something in simple words用简单的语言表达某物
 
She couldn’t understand the teacher, so he had to dumb down the explanation for her.她听不懂老师的话，所以他只好把解释给她听。
 
jot down = to make a note记下
 
Can you jot down the main ideas from the meeting, please?请你把会议的主要想法记下来好吗？
 
keep down = to stay quiet保持安静
 
Jack, can you keep it down, we are trying to sleep?杰克，你能不能小声点，我们在睡觉？
 
man down = to lose courage失去勇气
 
settle down = to establish a lifestyle, to marry安定下来
 
Julie and Jack finally settled down.朱莉和杰克终于安顿下来了。
 
（来源：沪江英语）