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!

zuān, zuán, zuǎn, zuàn

first tune

zuān

drill; bore (hole) 鑽 zuān

bore a hole, tunnel 鑽洞 zuān dòng
drill; bore 鑽 zuān	hole 洞 dòng

third tune

zuǎn

edit; compile 纂 zuǎn

fourth tune

zuàn

diamond 鑽 zuàn

diamond 鑽石 zuàn shí
diamond 鑽 zuàn	stone 石 shí

Chinese characters also pronunced zuàn