口hau2響hoeng2

English

1. promising easily
2. making promises lightly without thinking through the consequences; literally: mouth loud
3. stating a fact without prove or thought

粵語 — Cantonese

1. 唔諗清楚自己做唔做到就應承；下巴輕輕

Examples

• 你咪應承得咁口響，到時你做唔晒啲嘢，老細實鬧你。

  Don't promise what you cannot deliver. If you can't finish all the tasks when the time comes, you will be scolded by the boss.