思 (sī) - to think & to consider

思Tone 1

sī ｜ 9 strokes ｜ radical: 心

树檀

思 · sī

to think;

to consider;

to ponder;

thought;

thinking;

also used in names to denote thoughtfulness, wisdom, or remembrance.

to thinkto considerto ponder

Usage highlights

thoughtto think/considerto miss/long forto ponder/reflectideologytrain of thought

Synonyms

  • 想— to think; to want
  • 虑— to consider; to ponder

Antonyms

  • 忘— to forget
  • 忽— to neglect; to ignore

Usage & contexts

Examples

  • I am thinking about this problem (思考这个问题).
  • She misses her hometown (思念故乡).
  • Philosophy is the study of fundamental questions (哲学).
  • This requires careful consideration (需要仔细思量).

Collocations

  • thought(思想)
  • to think/consider(思考)
  • to miss/long for(思念)
  • to ponder/reflect(思虑)
  • ideology(意识形态)
  • train of thought(思路)

Idioms

  • Thinking of the past and present(思古想今)
  • Thinking day and night(日思夜想)
  • Thinking of gain while fearing loss(思得患失)
  • Thinking of the source while drinking water(饮水思源)
  • Thinking of the past makes one sad(思之令人神伤)

Cultural background

FAQ
  • Highly valued in Confucian tradition as a key mental activity for self-cultivation and moral reasoning.
  • Represents intellectual capacity and reflection, making it a desirable trait in names.
  • Associated with filial piety and remembrance in phrases like 思念 (to miss).

FAQ