Vol.420 hit the wall不是撞到墙，原来是这个意思

Hit the wall 比赛跑步时精疲力竭 I hit the wall after only the first mile of the race. I could barely even walk for the rest of it! 跑完一英里就精疲力竭了。剩下的路我走都走不动了。 Be worn out 精疲力竭的 I&`&ve been working all night and I&`&m worn out. 我整晚都在工作，已经筋疲力尽了。 Exhausted 精疲力竭的 The children ran around the playground until they were exhausted. 孩子们在操场上跑来跑去，直到精疲力竭为止。 Be wiped out 精疲力竭的 After that five-mile run I was completely wiped out. 跑完那5英里后，我彻底累垮了。 Bushed 疲倦的 After three days of training, I am totally bushed. 经过三天的训练，我累坏了。 今日挑战 选词填空并翻译； 写在留言处和大家分享！ She gave him a hit ___ the head which knocked him flying. A. in B. on C. at 【翻阅上一期内容即可查阅正确答案】 【下一期内容的正确答案解析】 The audience was still laughing as the curtain fell. 幕落时，观众仍在笑。