impossible
adj. /ɪmˈpɑːsəbl/ A2
不可能的；办不到的；难以忍受的
Not able to occur, exist, or be done.
仙境例句
“It is impossible to please this Caterpillar,” thought Alice, but she did not shout.
爱丽丝心想：“要让这条毛毛虫满意是不可能的。”不过她没有大声嚷嚷。
原著这一句
For, you see, so many out-of-the-way things had happened lately, that Alice had begun to think that very few things indeed were really impossible.
因为你看，最近发生了太多怪事，爱丽丝已经开始觉得，世上确实很少有什么事情是真正不可能的了。
卡罗尔原著 · 第 1 章