The following video demonstrates each syllable of the pinyin structure
and the exercise of pinyin/zhuyin with basic Chinese 4-tune pronunciation

Mandarin pinyin tunes
Click the framed calligraphic Chinese symbol icons
to link more related multi-character Chinese words!

sāo, sáo, sǎo, sào

first tune

sāo

coquettish; amorous; flirtatious; sex appeal 騷 sāo

scratch 搔 sāo

scratch the itching place 搔癢 sāo yǎng
scratch 搔 sāo	itching 癢 yǎng

Chinese characters also pronunced sāo

third tune

sǎo

sweep with a broom exterminate; wipe out 掃 sǎo

elder brother's wife wife of one's elder brother 嫂 sǎo

fourth tune

sào

bashfulness shy; bashful 臊 sào

blush; shy (Chinese slang) 害臊 hài sào
suffer 害 hài	bashfulness 臊 sào