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が最後 (ga saigo) - Once Happens
Verb-た + が最後
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Verb-た + が最後 means "Once ~ happens, it's irreversible". It is a N1 Japanese grammar point with examples and drills on this page.
Significato
Once ~ happens, it's irreversible
Spiegazione
This pattern conveys a sense of inevitability; once something occurs, there is no turning back. It often has a dramatic or serious tone, indicating that the consequences are significant and cannot be undone.
Esempi
彼が言い出したが最後、誰も止められない。
かれがいいだしたがさいご、だれもとめられない。
Una volta che comincia a parlare, nessuno riesce a fermarlo.
この薬を飲んだが最後、眠くて起きられない。
このくすりをのんだがさいご、ねむくておきられない。
Una volta che prendi questa medicina, avrai troppo sonno per alzarti.
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Verb-た + が最後
Which sentence correctly uses "が最後 (ga saigo) - Once Happens"?
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Ultimo aggiornamento Jul 22, 2026