arduously
US /ˈɑːr.dʒu.əs.li/
UK /ˈɑː.dʒu.əs.li/
副词
艰难地
in a way that is difficult and needs a lot of effort and energy:
示例:
•
He worked arduously to improve his physical condition.
艰难地
in a way that is difficult and needs a lot of effort and energy: