Challenges
n. 挑战( challenge的名词复数 ); 要求; （警卫等）查问口令; 怀疑
🗣️ 情景例句
Well, when do you think you can come over to work?
你想什么时候开始工作呢？
They feel uneasy.
他们因不安而没法镇定下来。
The man on the motorbike was travelling too fast.
摩托车上的人开得太快。