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
We are going upstairs to set up Grandpa's room.
我们要上楼收拾一下爷爷的房间。
By accident Marion overheard some nasty gossip.
马里恩偶然听到了一些令人不愉快的谣言。
concludes that it must be the gateway to world that lies beyond.
日落处想必是通往遥远世界的大门。