Peking opera performers place great emphasis on precise, rounded delivery.
Tips
culture
A technical standard in Peking opera (京剧) and later in broadcasting training — 字正 refers to correct articulation of each syllable, 腔圆 to full, resonant tone. CCTV news anchors are textbook examples.
usage
Compliment only — never sarcastic. Applies to singing and formal/public speaking, not everyday chatter.