penny ante

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈpenny ˌante adjective American English informal  SMALLinvolving very small amounts of money, and not important 涉及金额很小的，没什么价值的 penny ante schemes to make money 微不足道的赚钱计划

Examples from the Corpus

penny ante• penny-ante investors

ˈpenny ˌante adjectiveChineseSyllable  

very money, Corpus and not small important involving amounts of

penny ante
ˈpenny ˌante adjective American English informal
involving very small amounts of money, and not important:
    penny ante schemes to make money