司 sīSī HSK2 take charge of Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: Si All meanings 5 sī 4 manage 3department 1Sī 1 Si 1 1 sentence for 司 (Sī — Si) 司先生是我的邻居。 Sī xiānsheng shì wǒ de línjū. Mr. Si is my neighbor. Source: Dong Chinese Dictionary