live by sth 按照（某信念或原则）生活
That's a philosophy I could live by.
那就是我所信奉的人生哲学。
live by doing sth 靠做某事赚钱为生（或获取所需）
a community that lives by fishing
靠捕鱼为生的群体
live sth down 能使人忘却（做过的令人尴尬的事）
She felt so stupid. She'd never be able to live it down.
她觉得自己做了傻事，恐怕永远无法挽回自己的面子了。
live for sb/sth 以…为主要生活目的；为…而活着
She lives for her work.
她活着是为了工作。
After his wife died, he had nothing to live for.
妻子去世后，他便没有了生活目标。
live in 住在工作（或学习）的地方
They have an au pair living in.
他们有个换工姑娘住在家里。
live off sb/sth 靠…过活；依赖…生活
She's still living off her parents.
她还在靠父母养活。
to live off welfare
靠救济过活
live off sth 以食…为生
He seems to live off junk food.
他好像靠吃垃圾食品为生。
live on 继续活着；继续存在
She died ten years ago but her memory lives on.
她十年前就去世了，但她却留在人们的记忆中。
live on sth
1、以食…为生
Small birds live mainly on insects.
小鸟主要靠食昆虫为生。
2、仅以（一种或几种食物）为主要食物
She lives on burgers.
她只喜欢吃汉堡包。
3、靠（…钱）生活
You can't live on forty pounds a week.
你靠每周四十英镑没法过活。
live out 不住在工作（或学习）的地方
Some college students will have to live out.
有些大学生将不得不住在校外。
live out sth
1、实践（以前想要做的事）
to live out your fantasies
实现梦想
2、（以某种方式）度过余生
He lived out his days alone.
他独自度过余生。
live through sth 经历（灾难或其他困境）而幸存
He has lived through two world wars.
他经历了两次世界大战。
live together = live with sb
1、在一起生活
They live together in unity.
他们和睦地住在一起
2、未婚同居；姘居
The couple had been living together for 16 years.
这对情侣已经同居了16年。
live up to sth 达到，符合，不辜负（他人的期望）
He failed to live up to his parents' expectations.
他辜负了父母的期望。
The team called ‘The No-Hopers’ certainly lived up to its name.
叫做“无望者”的球队果真名副其实。
live with sth 忍受，容忍（不快的事）
I just had to learn to live with the pain.
我不得不学会忍受痛苦。
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