3 sentences

1. 这个人没有良心的吗？

   zhè​ge rén méi​yǒu liáng​xīn de ma?

   Is this person without a conscience?

   Source: CCMatrix

2. 你没有良心是吧？

   nǐ méi​yǒu liáng​xīn shì ba?

   You have no conscience, do you?

   Source: OpenSubtitles

3. 有些人没有良心。

   yǒu​xiē​rén méi​yǒu liáng​xīn.

   Some people have no conscience.

   Source: OpenSubtitles