逆水行舟，不进则退 nìshuǐxíngzhōu, bùjìnzétuì advance or retreat Definitions Defs Origin Strokes Stroke Words Sentences Sents 学如逆水行舟，不进则退 xuérúnìshuǐxíngzhōu, bùjìnzétuì progress or retreat study is like rowing upstream – if you don't keep pushing forward, you fall behind
