Chinese · Pronunciation Guide
chwahn with the tongue curled back and a strong puff of air, held high and flat. Rounded glide, open vowel, front n.
chuān
Level, and nothing shifts it. It is a useful anchor in clothing sentences because it holds the pitch high, so any third tone before it keeps a full dip and any 不 before it stays as bù. Nothing about this word forces a change in its neighbours.
Listen: 穿
Free browser voice. Hear it read by a real native speaker inside the LingoDrop app.
今天穿什么?
Jīntiān chuān shénme?
What should I wear today?
Listen: 今天穿什么?
Free browser voice. Hear it read by a real native speaker inside the LingoDrop app.
今天穿什么? opens with two high level syllables, jīn and tiān, and then chuān makes three in a row — an unusually long high plateau. Then shén climbs and me fades. Sustaining three consecutive first tones without letting the pitch sag is the whole technical demand of this short question.
Under-aspirating gives zhuān, a different word, and the aspiration is easy to lose because the tongue is already busy curling back. Push the air out audibly. The vowel is the second issue: learners keep the lips rounded and produce "chwon", when the mouth should open wide and unround for the "ah" before the front n closes it.