wriggle room
noun(also wiggle room)
[uncountable] (informal)the chance to change something or to understand it in a different way 回旋余地;空子 The buyer still has some wriggle room when the deal is under contract. 根据合同,买方仍然有一些麻烦的余地。 The amendment leaves no wriggle room for lawmakers. 该修正案对立法者没有任何余地。 There is some wriggle room in the budget. 预算中有一些麻烦的空间。