sī​suǒ HSK7

to ponder

思索 sī​suǒ
to ponder verb
to think deeply; to ponder or meditate on something; to search for an answer or solution through serious thought

The student spent almost an hour trying to puzzle out the meaning of this difficult sentence.

On the way home, I kept thinking about his words.

thought
the process or result of thinking deeply; reflection

Frequency

Movie subtitles
1.76 per million appears in 1% of films
Written text
7.47 per million

Details

HSK 2.0
Level 6
HSK 3.0
Level 7

Sources