Arduousness
n. 艱難, 艱苦, 艱辛, 奮斗
??? 情景例句
The number's no longer in service.
這個號碼現在是空號。
It was after dark when we got back,and we were all tired.
我們回來時天已經黑了，并且我們都很疲倦。
Good morning!
早上好！