Read Edit View history 苦读 kǔdú study diligently Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 苦读/苦讀 · kǔdú · study diligently 2026/03/10 苦读 / 苦讀 kǔdú study diligently to study very hard and diligently, often in seclusion or isolation. 他依然坚持闭门苦读。 verb created sense Mar 10, 2026, 05:33 PM