Problems
n. 问题；难题（problem的复数）
✅ 同义词
🔴 反义词
🗣️ 情景例句
Where's your grandson Robbie and his friend Alexandra?
你的孙子Robbie和他的朋友Alexandra呢？
I went to sleep immediately and slept soundly all night.
我很快地入睡了并且整夜酣睡。
Not at all.
不客气。