I heard in anime a phrase related to risk, like "all or nothing". It sounded like "icka backa" but I can't find the exact phrase.
1 Answer
Most likely it's indeed 一か八か
(ichi ka bachi ka), meaning roughly "sink or swim", "all or nothing" etc.
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1Literally it means '[will it be] one or eight', in reference to a particular gambling game.– SjiveruMay 25, 2018 at 13:50