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!

nī, ní, nǐ, nì

second tune

ní

Buddhist nun 尼 ní

mud mashed fruit; mashed vegetables 泥 ní

Chinese characters also pronunced ní

third tune

nǐ

you 你 nǐ

you, I, he you, me, him 你,我,他 nǐ wǒ tā
you 你 nǐ	I, me 我 wǒ	he, him 他 tā

Chinese characters also pronunced nǐ

fourth tune

nì

go against opposite; inverse 逆 nì

against the wind; contrary wind adverse wind; unfavorable wind 逆風 nì fēng
go against 逆 nì	wind 風 fēng

hide; conceal 匿 nì

anonymous; unknown name 匿名 nì míng
hide; conceal 匿 nì	name 名 míng

Chinese characters also pronunced nì