pocket-money
n [U] (Brit)
(a) small amount of money given to a child, esp weekly （给孩子的）零花钱（尤指每周给的）.
(b) money for small expenses 零用钱
We've paid for our travel and accommodation, so we only need to take some pocket-money with us. 我们已付了旅费与食宿费, 所以只需带些零用钱.