一清二楚 yīqīng'èrchǔ perfectly clear Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 他把事情的经过说得一清二楚。 tā bǎ shìqing de jīngguò shuō de yīqīng'èrchǔ. He explained the whole story very clearly. Source: Dong Chinese Dictionary