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one's bread and butter
01
the main source of a person or business's income
What is the origin of the idiom "one's bread and butter" and when to use it?
The origin of the idiom "one's bread and butter" can be traced back to the 18th century in England. Bread and butter have been staple foods for many people throughout history, and they symbolize the basic necessities of life. It is used to describe the main source of income or the primary activity through which someone earns a living.
bread-and-butter
01
基本的な
*** providing a basic means of subsistence
02
日常的な
*** relating to people's practical, everyday needs and concerns
例
When he was younger, acting was his bread and butter, and it provided for all his needs.
She's afraid to speak up because she doesn't want to fall out with her bread and butter.
At the moment, freelancing is her bread and butter while she explores other career options.
If you're not careful, you could fall out with your bread and butter and be out of a job.
Once she establishes her bakery, she hopes it will become her bread and butter for the rest of her life.
