Doubtfulness
n. doubtful（不大可能的）的变形
✅ 同义词
🔴 反义词
🗣️ 情景例句
When my grandpa is in a bad mood, he's grouchy with everyone.
爷爷脾气坏的时候，对所有的人都不满意。
When did you arrive?
你什么时候到达?
We also played games on the sand.
我们还在沙滩上做游戏呢。