Chinese · Pronunciation Guide
dzao-shang: a low sagging first syllable with a "ds" onset, then a weak toneless second. Note that 上 loses its falling tone entirely here.
zǎoshang
The suffix has gone neutral, and this has a structural payoff. Because shang carries no tone, zǎo is never adjacent to a following dipping syllable, so it keeps its full descent even in phrases like zǎoshang hǎo where a bare zǎo would have converted. The neutral syllable acts as an insulator.
Listen: 早上
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我每天早上跑步。
Wǒ měi tiān zǎoshang pǎobù.
I run every morning.
Listen: 我每天早上跑步。
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我每天早上跑步。 opens with wǒ and měi adjacent, both dipping, so wǒ rises. Then tiān holds high, zǎo dips, shang fades, pǎo dips, and bù falls. Notice zǎo and pǎo are separated by the toneless shang, so no conversion occurs between them — the neutral syllable does its insulating job again.
Restoring a full falling tone to shang is the standard error, producing zǎo shàng with two heavy beats. It should be almost thrown away. On the first syllable, reading z as an English z removes the stop closure — touch the ridge first. And the wǒ měi conversion at the start is missed as reliably as ever.