Read Edit View history 可一而不可再 kěyī'érbùkězài once only Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 可一而不可再 · kěyī'érbùkězài · once only 2026/03/04 可一而不可再 kěyī'érbùkězài once only may be done once and once only; just this once 这种机会可一而不可再，你一定要好好把握。 created sense Mar 4, 2026, 02:25 AM