4 sentences

1. 我希望他们不会察觉到。

   wǒ xī​wàng tā​men bù​huì chá​jué dào.

   I hope they won't notice.

   Source: OpenSubtitles

2. 我察觉到两件事情。

   wǒ chá​jué dào liǎng jiàn shì​qing.

   I realized two things.

   Source: OpenSubtitles

3. 没有任何客人察觉。

   méi​yǒu rèn​hé kè​ren chá​jué.

   None of the guests noticed.

   Source: CCMatrix

4. 仿佛察觉到了她的困境，男孩接手并完成了介绍。

   fǎng​fú chá​jué dào le tā de kùn​jìng, nán​hái jiē​shǒu bìng wán chéng le jiè​shào.

   As if sensing her predicament, the boy took over and finished the introduction.

   Source: CCMatrix