字正腔圆

zì zhèng qiāng yuán

clear, perfectly pronounced speech

Character by character

字zì
words

正zhèng
correct

腔qiāng
tone

圆yuán
round

她的普通话字正腔圆，像播音员一样。

Her Putonghua is beautifully clear, like a newsreader’s.

Tone: positive (praise).

Originally about opera singing.

Learn this in Lesson 34 · HSK 5–6: 方言与普通话 (Dialects and the standard language)

A dialogue, a reading, word cards with audio and a drill that uses it, in Learn Chinese with Bao. The first lessons of every level are free.