a leg to stand on meaning in English

[网络] 单脚站立；一只站立的脚；单腿站立

she ’ ll never win the court case . she doesn ’ t have a leg to stand on
她绝赢不了这场官司，她压根就站不住脚。
never put both feet in your mouth at the same time, because then you won't have a leg to stand on
绝对不要同时将双脚放入你的嘴巴里，因为那将害你没有一只脚可以站立。
the man with a gun and $ 300 in his pocket was accused of robbing an oil station . he did not have a leg to stand on
这人身带一支枪，口袋里有300美元钱，被人指控抢劫加油站，他真是有口难辩。
mike accused the doctor of negligence, but when he admitted he hadn't taken the medicine prescribed, he hadn't a leg to stand on
迈克控告医生失职，但当他承认医生开的药他还没有吃下时，他就毫无理由了。