all mouth (and no trousers/)
all mouth and no (action|substance)
all mouth (and no trousers)
01
口だけで行動しない, 口先だけ
used to describe someone who never puts their word into action
慣用句
くだけた
例
In the end they seem to have been all mouth and no trousers.
彼は自分のビジネスを始めると言い続けているが、結局口だけだ。



























