艰巨的用英语怎么说？

艰巨的

• arduous，formidable，[法] onerous

例句

• You should gather yourself up to complete a difficult task. 你应该打起精神去完成一项艰巨的任务。
• a herculean task 艰巨的任务
• The general assigned him to do the tough task. 将军派他去完成这项艰巨的任务。
• A much bigger battle is ahead for the president. 一场更为艰巨的战斗正等待着总统。
• All her life, Kelly had stuck with difficult tasks and challenges, and triumphed... 凯莉一生经历了各种艰巨的任务与挑战，她都一一成功应对了。
• Revitalising the Romanian economy will be a long haul. 罗马尼亚经济的复兴将是一项长期而艰巨的工作。
• We have a formidable task ahead of us... 我们面临着一项艰巨的任务。
• The Duke was not well enough to carry out such an exacting task... 公爵身体不太好，无法执行那么艰巨的任务。
• Everyone in the room knew it was the single hardest task before them... 房间里所有人都清楚，摆在他们面前的是最为艰巨的任务。
• Now she faces her toughest task of all. 现在她面临着最艰巨的任务。