知 Strokes Write it Listen 知 zhī to know, to perceive, to comprehend HSK 1 8 strokes Radical 矢 Sound + meaning 24 words Built from矢soundshǐarrow, dart; to vow, to swear口meaningkǒumouth; entrance, gate, opening How it works口 hints at the meaning (mouth), and 矢 shǐ hints at the sound.