万无一失 (wàn wú-yì shī) — surefire; absolutely safe; foolproof

Definizione

A chengyu meaning 'absolutely safe, foolproof' — used for plans, systems, or precautions where there is no chance of failure. The 失 ('lose/error') focuses on risk of error, not on emotional peace like 无忧无虑.

phrase
surefireabsolutely safefoolproof

Esempi

  • 万无一失
    Zhè ge jì huà ān pái dé shí fēn zhōu mì, kě yǐ shuō shì wàn wú-yì shī.
    This plan is arranged very meticulously; you could call it foolproof.
  • 万无一失
    Wèi le wàn wú-yì shī, wǒ men jiǎn chá le sān biàn mì mǎ.
    To be absolutely safe, we checked the password three times.
  • 万无一失
    Zhè ge xì tǒng cǎi yòng duō chóng bèi fèn, zuò dào wàn wú-yì shī.
    This system uses multiple backups to achieve zero risk.

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