ビジネス英語口語表現628： mum’s the word
トーク・アベニュー新宿のビジネス英語口語表現集より
Today’s lesson of colloquial expression
628. mum’s the word 他言無用
- this is said to emphasize that something will be kept secret
1. The party will be at 8:00 on Friday night, but remember, mum’s the word!
2. By the way, mum’s the word about that job offer I told you about, at least until I know for certain.
