to bum off
01
蹭, 借而不还
to borrow something without intending to repay or to get something from someone without giving anything in return
例子
He always tries to bum off his friends for food.
他总是试图从朋友那里蹭食物。
Stop trying to bum off me; I do n’t have any spare change.
别再试图占我便宜了;我没有零钱。



























