dutifully
🇺🇸
/ˈduːtɪfəli/
🇬🇧
/ˈdjuːtɪfəli/
adverb
R
in a way that shows you are doing your duty or what you are supposed to do
He dutifully completed all his homework before going out to play.
彼は勤勉にすべての宿題を完成させてから遊びに行きました。
translation
忠実に