艰巨用英语怎么说？

艰巨

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。
• The country faces a huge task of national reconstruction following the war. 战后，该国面临着重建家园的艰巨任务。
• 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。
• The task they face is colossal. 他们面临的任务十分艰巨。
• An extraordinary effort , but this is no ordinary cetacean. 这项工作异常艰巨, 因为这是一头非同寻常的鲸鱼.
• A much bigger battle is ahead for the president. 一场更为艰巨的战斗正等待着总统。
• But we must see complexity and arduousness of this process. 但必须看到这一过程的复杂性和艰巨性.
• The process of integration has the nature of arduousness and protractiveness. 一体化进程有其艰巨性和长期性.
• 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。