Chinese · Pronunciation Guide
yo-RUN: a low sagging first syllable, then a rising second with a retroflex buzz and completely flat lips.
yǒurén
Low first, high second, with no conversion — rén rises, so yǒu keeps its low contour. On the left edge, though, yǒu is a dipping tone and converts readily, and since it so often follows a noun or pronoun that also dips, this word gets caught up in sandhi more than its own structure suggests.
Listen: 有人
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门口有人。
Ménkǒu yǒurén.
There's someone at the door.
Listen: 门口有人。
Free browser voice. Hear it read by a real native speaker inside the LingoDrop app.
门口有人。 shows that in action: kǒu and yǒu are adjacent dipping tones, so kǒu rises. The sentence therefore runs mén rising, kóu rising, yǒu dipping, rén rising — three climbs and one sag in four syllables. Each rise needs its own downward reset, which makes this short sentence surprisingly demanding.
English habits do their worst on the r: rounded lips and a bunched tongue give something like "run", which is close enough to be understood but immediately foreign. Unround and curl. On the tone side, the kǒu yǒu conversion crosses a word boundary, which is exactly the kind beginners overlook, and three consecutive rises invite a single flat plateau.