严惩不贷 [
yán chéng bú dài]
punish with due severity
punish sb. severely without mercy
No leniency shall be shown in punishment.
punish mercilessly
- 别想着作弊―对作弊者会严惩不贷。
Don't be tempted to cheat – you'll never get away with it. - 违者严惩不贷。
Those who disobey will be severely punished. - 中国官方新华社说,中共元老表示要对捲入暴乱的任何人严惩不贷。
State-run Xinhua says the party elders vowed to impose "severe punishment" on any those involved in the riots.