all mouth and no trousers
成語所屬單字mouth
all mouth and no trousers — 慣用語
1. someone who talks a lot about what they plan to do but never actually does it; f
1.慣用語
釋義
只說不做
someone who talks a lot about what they plan to do but never actually does it; full of empty boasts
例句
Christopher talks about starting his own company every week, but he never does — he is all mouth and no trousers.
The politician promised huge changes during the campaign, but after the election he did nothing. Just all mouth and no trousers.