• 酒はここでは絶対禁物です
    • You are strictly forbidden to drink here./Drinking is strictly forbidden [prohibited] here.
    • その言葉はここでは禁物になっている
    • That word is taboo here.
    • 夜ふかしは子供には禁物です
    • It is bad for children to stay up late.
    • あの男に油断は禁物だ
    • We must never relax our guard against him.
    • 胃かいように酒は絶対禁物だ
    • A person with a stomach ulcer 「simply must not drink [《口》 should avoid alcohol like the plague].