4 sentences

1. 我有点察觉到他喜欢你了。

   wǒ yǒu​diǎn chá​jué​dào tā xǐ​huan nǐ le.

   I've kind of noticed he was into you.

   Source: OpenSubtitles

2. 你真的什么都没察觉到吗？

   nǐ zhēn​de shén​me dōu méi chá​jué​dào ma?

   Did you really not notice anything?

   Source: OpenSubtitles

3. 指挥官敏锐地察觉到了进攻的战机。

   zhǐ​huī​guān mǐn​ruì de chá​jué​dào le jìn​gōng de zhàn​jī.

   The commander was keenly aware of the opportunity to attack.

   Source: Dong Chinese Dictionary

4. 他敏锐地察觉到了社会变革即将来临的朕兆。

   tā mǐn​ruì de chá​jué​dào le shè​huì biàn​gé jí​jiāng lái​lín de zhèn zhào.

   He keenly sensed the signs of the approaching social transformation.

   Source: Dong Chinese Dictionary