4 sentences

1. 他们自以为了解我。

   tā​men zì​yǐ​wéi liǎo​jiě wǒ.

   They think they know me.

   Source: OpenSubtitles

2. 他自以为自己是个艺术家。

   tā zì​yǐ​wéi zì​jǐ shì ge yì​shù​jiā.

   He fancies himself as an artist.

   Source: Tatoeba

3. 他自以为了解我。

   tā zì​yǐ​wéi liǎo​jiě wǒ.

   He thinks he knows me.

   Source: OpenSubtitles

4. 你自以为恋爱了，其实并没有。

   nǐ zì​yǐ​wéi liàn'ài le, qí​shí bìng méi​yǒu.

   You think you're in love, but you're not.

   Source: OpenSubtitles