刀刃 dāorèn knife edge Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 他在磨石上磨快了他的刀刃。 tā zài móshí shang mó kuài le tā de dāorèn. He sharpened the edge of his knife on a grindstone. Source: UM-Corpus: Spoken
