bread and butter

成語所屬單字bread-and-butter

bread and butter — 慣用語

1. the work, trade, or support that keeps someone fed and able to go on living

1.慣用語
釋義

賴以維生

the work, trade, or support that keeps someone fed and able to go on living

例句

Teaching piano to neighborhood children is her bread and butter now.

For many village families, river fishing has long been bread and butter.