bread and butter

意味

the work that brings in most of your income

主な収入源となる仕事.

例文

1. 1Weddings are the bread and butter of our photography business.
2. 2Teaching evening classes isn't exciting, but it's my bread and butter.
3. 3Small repairs are our bread and butter; the big jobs only come a few times a year.
4. 4School uniforms are the bread and butter of the shop, even though it sells toys too.
5. 5Does tutoring pay the bills, or is translation still your bread and butter?

文法

不可算名詞。ふつう my、our、the ... of の後に置き、名詞の前では bread-and-butter とつづる。

似た意味の表現