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
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to link more related multi-character Chinese words!

chāi, chái, chǎi, chài

first tune

chāi

tear down; dismantle 拆 chāi

disassemble; take apart 拆開 chāi kāi
dismantle 拆 chāi	open 開 kāi

Chinese characters also pronunced chāi

second tune

chái

firewood 柴 chái

chop firewood 砍柴 kǎn chái
chop 砍 kǎn	firewood 柴 chái

Chinese characters also pronunced chái