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!

nāo, náo, nǎo, nào

first tune

nāo

coward (Chinese slang) 孬 nāo

second tune

náo

yield; hinder 撓 náo

unyielding; indomitable; dauntless unlikely to be swayed; impossible to subdue (Chinese idiom) 不屈不撓 bù qū bù náo
not 不 bù	succumb 屈 qū	not 不 bù	yield 撓 náo

Chinese characters also pronunced náo

third tune

nǎo

brain 腦 nǎo

annoyed; unhappy 惱 nǎo

vexation; worry; trouble 煩惱 fán nǎo
vexed 煩 fán	unhappy 惱 nǎo

Chinese characters also pronunced nǎo

fourth tune

nào

noisy; bustling agitate; disturb 鬧 nào

alarm clock 鬧鐘 nào zhōng
noisy; disturb 鬧 nào	clock 鐘 zhōng

horseplay clowning around; act mischievously reckless and irresponsible actions 胡鬧 hú nào
reckless 胡 hú	agitate; disturb 鬧 nào