hold the purse strings
掌握經濟大權；管錢
口語·家庭或組織中的財務控制
英文釋義
to control or have authority over the spending or finances in a household or organization
例句
My wife holds the purse strings in our family, so I have to ask her for any extra cash.
典故來源
源自中世紀，當時人們將錢幣裝在系帶的小袋中，掌管袋口系帶的人即掌握財政大權。