"a dull lackluster life"
"a lusterless performance"
"staring with lackluster eyes"
"lusterless hair"
He drew a dial from his poke, And, looking on it with lack-lustre eye, Says [etc.].
出自:As You Like It , Shakespeare
A faint lack-lustre shade of grey.
出自: Dickens
Her expression tended towards the lackluster, though her blue eyes were..bright enough.
出自: T. Berger