号 Strokes Write it Listen 号 hào ordinal number; day of a month; mark HSK 1 5 strokes Radical 口 Sound + meaning 20 words Built from口meaningkǒumouth; entrance, gate, opening丂soundkǎoobstruction of breath (qi); variant of 考 How it works口 hints at the meaning (mouth), and 丂 kǎo hints at the sound.