chip in 凑钱，共同出钱;捐助;插嘴，插话;下赌注

【例句】
They all chipped in £100 and bought their mother a trip to Greece.
他们每人凑了100英镑，让母亲到希腊旅游一趟。

They chip in for the petrol and food.
他们凑钱买汽油和食物。