arduously
US /ˈɑːr.dʒu.əs.li/
UK /ˈɑːr.dʒu.əs.li/
副詞
1.
苦労して
in a way that is difficult and needs a lot of effort and energy:
例:
•
He worked arduously to improve his physical condition.
Lingolandでこの単語を学ぶ
苦労して
in a way that is difficult and needs a lot of effort and energy: