失色

to lose color / to turn pale

to lose / to miss / to fail

color / CL:種|种[zhong3] / look / appearance / sex

(coll.) color / used in 色子[shai3 zi5]

to lose one's splendor / to lose luster / to be eclipsed / to be overshadowed

to turn pale with fright (idiom)

to go pale in panic (idiom)

(of complexion) to lose one's color / to blanch / wan