中译英：当他明白他没有取胜的机会时,他退出了比赛.用（become）造句.
问题描述：
中译英：当他明白他没有取胜的机会时,他退出了比赛.用（become）造句.
答
when he realizes that he has no chance to win,he becomes to quit the game.
中译英：当他明白他没有取胜的机会时,他退出了比赛.用（become）造句.
when he realizes that he has no chance to win,he becomes to quit the game.