make megabucks 賺大錢
He earns megabucks.
他大筆大筆地賺錢。

earn your keep 掙口飯吃；為有棲身之處而工作
If you're not going to go to university this year, you're going to have to earn your keep.
如果你今天不去上大學(xué)，你就要自己混飯吃了。

fend for yourself 照料自己；自謀生計(jì)
His parents agreed to pay the rent for his apartment but otherwise left him to fend for himself.
他的父母同意替他付房租，其他的則讓他自己解決。

live by your wits 靠耍小聰明賺錢；（有時(shí)）靠玩花招撈錢
When you live yourself and support yourself, you need to live by your wits.
當(dāng)你自己生活要自力更生的時(shí)候，你就需要想辦法賺錢了。

live off the land 靠耕種（或狩獵）為生
Hippies want to live off the land.
嬉皮士想要靠天生存。
Because many of the poorest people live off the land, they are more susceptible to the impacts of extreme weather conditions.
因?yàn)楹芏嘧钬毨丝诳可匠陨娇克运麄兙透菀资艿綐O端氣候的影響。

stand on your own two feet 自力更生
I raised you to stand on your own two feet.
我把你養(yǎng)大是要你腳踏實(shí)地做人。