NOT HAVE A LEG TO STAND ON


Meaning of NOT HAVE A LEG TO STAND ON in English

( informal ) to be in a position where you are unable to prove sth or explain why sth is reasonable :

Without written evidence, we don't have a leg to stand on.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.