used in 勞碌|劳碌[lao2 lu4], 忙碌[mang2 lu4] and 碌碌[lu4 lu4]; used in 庸碌[yong1 lu4] and 碌碌[lu4 lu4]; used in 骨碌[gu1 lu5]

see 碌曲縣|碌曲县[Lu4 qu3 Xian4]

ordinary; commonplace; busy; bustling about

stone roller (for threshing grain, leveling ground etc); Taiwan pr. [lu4 du2]

Luqu, a county in Gannan Tibetan Autonomous Prefecture 甘南藏族自治州[Gan1 nan2 Zang4 zu2 Zi4 zhi4 zhou1], Gansu