吸 Strokes Write it Listen 吸 xī to breathe; to suck in; to absorb HSK 4 6 strokes Radical 口 Sound + meaning 9 words Built from口meaningkǒumouth; entrance, gate, opening及soundjíto extend; to reach; and; in time How it works口 hints at the meaning (mouth), and 及 jí hints at the sound.