backbreaking例句

These machines would relieve the peasants of their backbreaking labour.
这些机器可以把农民从繁重的体力劳动中解放出来.

That's backbreaking work and may be too much for us.
这可是累人的工作,我们可能负荷不了.

Digging the garden is a backbreaking job.
翻整花园的地是件累人的活.