Cadres have gone down to different grass-roots units to take part in manual Labour.

干部们分别下基层参加劳动去了。

Manual labour is worth less;

手工劳动的价值在减小；

All we ever got was manual Labour and illness.

我们曾经得到的只有体力劳动和疾病。

He does not want anything like manual Labour.

他一点儿也不想劳动。

Machines ease the workers of heavy manual Labour.

机器把工人从笨重的体力劳动中解脱出来。