chún​zhèng

pure

纯正 (純正) chún​zhèng
pure adjective
pure, unadulterated, or authentic in quality or style

His English accent is very authentic.

honest adjective
upright and sincere, especially regarding motives or character

His motives for doing this work are very pure.

Frequency

Movie subtitles
1.85 per million appears in 1% of films
Written text
4.37 per million

Sources

Definitions
CC-CEDICT