无精打彩

1. • dull and colorless (idiom) lacking vitality
2. • not lively

Character by character

• 无(wú)not to have
• 精(jīng)essence
• 打(dǎ)a semantically light, transitive verb that is combined with various grammatical objects to form compound verbs and verb-object phrases with a diverse range of meanings
• 彩(cǎi)color