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!

biē, bié, biě, biè

first tune

biē

hold back 憋 biē

hold one's breath 憋氣 biē qì
hold back 憋 biē	breath; air 氣 qì

Chinese characters also pronunced biē

second tune

bié

other; different 別 bié

other people 別人 bié rén
other 別 bié	people 人 rén

Chinese characters also pronunced bié

fourth tune

biè

awkward 彆 biè

unnatural; awkward 彆扭 biè niǔ
awkward 彆 biè	twist 扭 niǔ