左支右绌（左支右絀）　

◎ 左支右绌 zuǒzhī-yòuchù

[not have enough money to cover the expenses;be unable to cope with a situation;be in straitened circumstances] 本指射箭时左臂撑弓、屈右臂扣弦之法。后转指应付了左面,右面又感到不够。表示财力或能力不足,穷于应付