知己 zhījǐ HSK7 confidant Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: intimate All meanings 6 zhījǐ 6 confidant 3self-knowledge 2intimate 1 1 sentence for 知己 (zhījǐ — intimate) 他们二人意气相投,彼此十分知己。 tāmen èr rén yìqìxiāngtóu, bǐcǐ shífēn zhījǐ. The two of them share similar interests and are very close friends. Source: Dong Chinese Dictionary