Read Edit View history 精于 jīngyú proficient Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 精于/精於 · jīngyú · proficient 2026/03/04 精于 / 精於 jīngyú proficient skillful in, proficient in, or adept at a particular subject or skill 他精于计算，处理繁琐的数据非常迅速。 verb created sense Mar 4, 2026, 02:25 AM