I waited all day in the fond hope that she would change her mind.
我整天等待，癡心地希望她會回心轉意。
She waited in the forlorn hope that he would one day come back to her.
她幾乎毫無指望地等待他有一天會回到她的身邊。
I knocked loudly in the vain hope that someone might answer.
我敲門敲得很響，希望有人應聲，卻是徒然。
He asked her again in the vain hope that he could persuade her to come.
他又問了她一次，徒然指望著能說服她來。
He pressed on in the hope that a few others would join him. The tactic paid off.
他硬著頭皮干下去，希望能有幾個人加入進來。這一招奏效了。