strenuous
US /ˈstren.ju.əs/
UK /ˈstren.ju.əs/
형용사
1.
힘든
needing or using a lot of physical or mental effort or energy:
예시:
•
He rarely does anything more strenuous than changing the channels on the television.
Lingoland에서 이 단어 학습하기
힘든
needing or using a lot of physical or mental effort or energy: