purse strings

• 1. 

  N-PLURAL If you say that someone holds or controls the purse strings, you mean that they control the way that money is spent in a particular family, group, or country. (家庭、团体或国家的)财政 ['the' N]

  例：

  Women control the purse strings of most families.

  在大多数家庭中，女人掌控着财政大权。