“艰巨的”用英语怎么说

一场更为艰巨的战斗正等待着总统。A much bigger battle is ahead for the president.罗马尼亚经济的复兴将是一项长期而艰巨的工作。Revitalising the Romanian economy will be a long haul.电脑简化了教聋人阅读这一艰巨的工作。The computer has simplified the difficult task of teaching rea...