yōng lù wú néng
mediocre and incompetent
庸
yōng
ordinary
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
能
néng
can
