have a leg to stand on

Translations
иметь основания
Without evidence, you don't have a leg to stand on.
Без доказательств у тебя нет оснований.
Definitions
To have a valid reason or basis for one's argument or position; to have support or justification for one's claims.
Words
have

verb
иметь
a

article or possessive pronoun
один
leg

noun
нога
to

preposition
чтобы
stand

verb
стоять
on

preposition
на