沉思
chén sī · HSK 7
to contemplate
🤔 chén = sink, sī = think — sink into thought
The character 沉 means to sink or submerge, and 思 means to think. Together they describe sinking deep into thought — heavy, absorbed pondering. Say it aloud: chen-suh, like you're shushing someone so you can keep thinking.
沉 — water 氵 + 冘 (phonetic, sinking figure)
Originally written 沈, this character combines the water radical 氵 with 冘, depicting a person sinking. It pictured an object or person submerged in water, giving the core meaning 'to sink.' From there it extended metaphorically to 'deep,' 'heavy,' and 'submerged in thought,' as in 沉默 (silent) or 沉重 (heavy).