5 sentences

1. 我做到了不可能的事。

   wǒ zuò​dào le bù​kě​néng de shì.

   I have done the impossible.

   Source: OpenSubtitles

2. 这几乎是不可能的。

   zhè jī​hū shì bù​kě​néng de.

   This is almost impossible.

   Source: Dong Chinese Dictionary

3. 如果你不去尝试怎么知道不可能呢？

   rú​guǒ nǐ bù qù cháng​shì zěn​me zhī​dào bù​kě​néng ne?

   How can you know it's impossible if you don't try?

   Source: OpenSubtitles

4. 他在中间积极调解，最终赞成了这桩看似不可能的婚事。

   tā zài zhōng​jiān jī​jí tiáo​jiě, zuì​zhōng zàn​chéng le zhè zhuāng kàn​sì bù​kě​néng de hūn​shì.

   He mediated actively and eventually gave his blessing to this seemingly impossible marriage.

   Source: Dong Chinese Dictionary

5. 他现在不可能还没到家。

   tā xiàn​zài bù​kě​néng hái méi dào​jiā.

   It's impossible that he hasn't reached home yet.

   Source: Dong Chinese Dictionary