为德不终

Traditional (Taiwan): 為德不終

wéidébùzhōng ㄨㄟˊ ㄉㄜˊ ㄅㄨˋ ㄓㄨㄥ

    • to start on virtue but give up (idiom) to fail to carry things through
    • lack of sticking power
    • short attention span

Character by character

Sources