Undefinable
a. 不能下定义的, 不确定的
✅ 同义词
🗣️ 情景例句
They came and solved the problem.
他们来了并解决了问题。
Oh! Look who's coming?
哟！看看是谁来啦？
That's OK. But you mustn't smoke while you're walking around in the bush either. You could start a bush fire.
没关系。但是在丛林里走动时你也千万不要抽烟，会引起火灾的。