Home / HSK Vocabulary / HSK 4 / 思考 思考 sī kǎo HSK 4 · B2 Meanings to reflect on to ponder over Quick facts HSK LevelHSK 4 CEFRB2 ← Back to HSK 4 word list Practice 思考 with flashcards MandoBridge uses spaced repetition to help you remember HSK 4 vocabulary — free on iOS and Android.