请输入您要查询的英文单词：
单词
arduous
释义
arduous
ADJ
/ˈɑːdjuəs/
extremely difficult and involving a lot of effort 艰巨的；费力的
an arduous task
艰巨的任务
The journey was long and arduous.
旅途漫长而艰苦。
DERIVED WORD
arduously
adv