Unachievable
a. 不可实现的
✅ 同义词
🗣️ 情景例句
That naughty boy seems to tell his family too many lies.
这个顽皮的小男孩似乎对家人说了很多谎。
The sky is getting very cloudy.
天空的云越来越多了。
You must keep it a secret. You mustn't tell anybody else.
你必须保密，谁都不能讲。