overextend

v. /ˌoʊvərɪkˈstend/ B2

过分扩充；承担过多

To take on more work, debt, or responsibility than one can handle.

仙境例句

The King overextended himself by buying a gold crown for every card in the pack.

国王给整副牌每张都买了金王冠，花的钱远远超出了他的能力。