backbreaking [ˈbækˌbrekɪŋ]

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.
  
• He sees, instead, units of backbreaking toil.
  来自NEWYORKER
• We tried to do it all, but it was backbreaking.
  来自THETIMES
• Americans generally won't do the backbreaking work despite pay that usually is well above minimum wage.
  来自NPR