思索 sī suǒ — to think deeply
sī (first tone, high and level) suǒ (third tone, dipping)si1 suo3
to think deeply
HSK 6· HSK 1–6 (classic)Levels 7–9· 2021 three-band, nine-level proficiency standardverb
Meanings
to think deeply
to think deeply; to ponder
verb