
All hat and no cowboy

Translation all hat and no cowboy into russian
all hat and no cowboy
He talks a big game, but he's all hat and no cowboy.
Он много говорит, но внешний вид обманчив.
Definitions
A phrase used to describe someone who appears to be impressive or knowledgeable but lacks the actual skills or substance to back it up, often implying that they are more show than substance.