碌碌无为

lù lù wú wéi

unaccomplished

mediocre; feckless

碌

lù

(bound form used in 忙碌[mang2 lu4], 勞碌|劳碌[lao2 lu4], 庸碌[yong1 lu4] etc)

碌

lù

(bound form used in 忙碌[mang2 lu4], 勞碌|劳碌[lao2 lu4], 庸碌[yong1 lu4] etc)

无

wú

not to have

为

wéi

variant of 為|为[wei2]