challenge /ˈtʃæləndʒ/ n. 挑战；艰巨任务 vt. 怀疑；向……挑战 【人教版高中英语必修一Unit 1（单词与全书例句）】

challenge  

/ˈtʃæləndʒ/  

n. 挑战；艰巨任务  

vt. 怀疑；向……挑战    
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1. The Freshman Challenge

2. Senior high school is a challenge.

3. Going from junior high school to senior high school is a really big challenge. The first week was a little confusing.

4. Finding time for both studies and extra-curricular activities is a big challenge , so I need to make a workable schedule.

5. Going to senior high school is a really big challenge.

6. Losing two important players was a big challenge, but Lang Ping did not lose heart.

7. Rock climbers like to go there to enjoy climbing and challenge themselves.

8. Oscar challenged me to a game of chess and I accepted the challenge.

1. 新生挑战

2. 高中生活充满挑战。

3. 从初中升入高中真的是一个很大的挑战。第一周有点混乱。

4. 兼顾学习和课外活动是一个很大的挑战，所以我需要制定一个可行的时间表。

5. 升入高中真的是一个很大的挑战。

6. 失去两位重要球员是一个巨大的挑战，但郎平并没有灰心。

7. 攀岩爱好者喜欢去那里享受攀岩的乐趣并挑战自己。

8. 奥斯卡向我发起了一场国际象棋比赛的挑战，我接受了挑战。