纽 Strokes Write it Listen 纽 niǔ knot; button, handle; tie HSK 7–9 7 strokes Radical 纟 Sound + meaning 3 words Built from纟meaningsīsilk; thread丑soundchǒuugly; shameful; comedian, clown How it works纟 hints at the meaning (thread), and 丑 chǒu hints at the sound.