下定決心的用法和樣例：
例句
-
我下定決心要贏(yíng)得冠軍。
I've set my sights on winning the championship. -
你下定決心了嗎？
Have you made up your mind? -
這個(gè)男孩下定決心成為一個(gè)優(yōu)秀的建筑師。
The boy made up his mind to become an excellent architect. -
他下定決心爭取成功。
He was utterly ruthless in his determination to succeed.
