CHARACTERS / SAO

“sao” is 3 characters.

Chinese has many characters with the same sound. The tone and the shape tell them apart.

1. 扫sǎoto sweep (with a brush or broom)HSK 3 · TONE 3
2. 嫂sǎo(bound form) older brother's wifeHSK 6 · TONE 3
3. 骚sāo(bound form) to disturbHSK 6 · TONE 1