How to say "纤尘不染" (xiān chén bù rǎn) in Chinese dialogue

xiānchénrǎn

untouched by dust.

Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0140:00
xīn
líng
tái

his heart like a sacred altar,

LINE 0240:03
PLAYING SCENE
xiān
chén
rǎn

untouched by dust.

LINE 0340:08
zhè
ge
biǎo
qíng

I've never seen…

Show Information
Source MediaTV Series
Season & EpisodeS1 E13
Timestamp40:03
TMDB ID278275