思 sī HSK2 think Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: auxiliary particle All meanings 7 sī 7 think 6auxiliary particle 1 1 sentence for 思 (sī — auxiliary particle) 神之格思,不可度思。 Shén zhī gé sī, bù kě duó sī. The presence of the gods is subtle and unfathomable. Source: Dong Chinese Dictionary