up
关于up的俚语
行为不当
（来源：沪江英语）
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：
act up = to misbehave
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。