ˈpin ˌmoney noun [uncountableU] MONEY British EnglishBrE a small amount of extra money which someone earns to spend on things which they want but do not really need 零用钱 She helped her uncle out sometimes just to earn a bit of pin money. 她有时候帮叔叔的忙,赚一些零用钱。
pin money• It helped when I used to do a bit of coal-bag carrying in my spare time to earn some pin money.