Nantoka/思索sī suǒHSK 7–9思索 (sī suǒ) is a Chinese word meaning “to think deeply; to ponder”.Meanings1to think deeply2to ponderPart of speechverbCharacters in 思索思sī · to think索suǒ · to searchRelated words意思idea不好意思to feel embarrassed线索trail有意思interesting不可思议(idiom) inconceivable; unimaginable; unfathomable思考to reflect on搜索to search (a place, a database, online etc); to search for (sth)思想thought思to think勒索to blackmail索to search索surname SuoStudy Chinese with flashcards →