6 sentences

1. 他又在我车上涂鸦了。

   tā yòu zài wǒ chē shàng tú​yā le.

   He drew graffiti on my car again.

   Source: OpenSubtitles

2. 我听说涂鸦的事了。

   wǒ tīng​shuō tú​yā de shì le.

   I heard about the graffiti.

   Source: OpenSubtitles

3. 到处都是涂鸦。

   dào​chù dōu shì tú​yā.

   There is graffiti all over the place.

   Source: OpenSubtitles

4. 他在老房子的墙壁上创作了一幅涂鸦。

   tā zài lǎo fáng​zi de qiáng​bì shàng chuàng​zuò le yī fú tú​yā.

   He created a piece of graffiti on the wall of the old house.

   Source: Dong Chinese Dictionary

5. 他在墙上胡乱涂鸦，写了一些带逼字的脏话。

   tā zài qiáng shàng hú​luàn tú​yā, xiě le yī​xiē dài bī zì de zāng​huà.

   He scribbled graffiti on the wall, including some vulgarities.

   Source: Dong Chinese Dictionary

6. 这只是我的随手涂鸦，算不得什么艺术品。

   zhè zhǐ​shì wǒ de suí​shǒu tú​yā, suàn bù de shén​me yì​shù​pǐn.

   This is just a casual doodle of mine; it's not really a work of art.

   Source: Dong Chinese Dictionary