laborious [ləˈbɔriəs, -ˈbor-]

例句:

• A laborious composition, no doubt written under duress.
  来自A. Fraser
• They had the laborious task of cutting down the huge tree.
  他们接受了伐大树的艰苦工作.
  
• Keeping the garden tidy all year round can be a laborious task.
  一年到头把花园拾掇得干净整洁也不是件轻松活儿。
  
• The distance seemed interminable, and the walk was most laborious.
  距离好象无穷无尽似的, 走起来真够吃力.
  
• Yet buying a Ducati has remained old-fashioned and laborious.
  来自THETIMES
• The whole process is very laborious and unreliable.
  来自SA