Bacon 培根是熏猪肉片的意思，它是英国人饭桌上容易见到的一种食物。但口语表达bring home the bacon 把培根带回家的意思和这种事物无关，而是指在外赚钱，从而保持家庭生计，也就是养家糊口的意思。
例句
My father stays home and takes care of us and my mother brings home the bacon.
父亲在家照顾大家，而母亲在外赚钱。
As the eldest1 child, Mark has a lot of responsibility he has to finish his degree while bringing home the bacon.
作为长子，马克肩负重任，他得边读完学位边养家糊口。
Who brings home the bacon? You, your husband or both?
你们家哪个工作养家？是你，你老公还是你们两个人一块？