3 sentences

1. 他靠在街头乞讨为生。

   tā kào zài jiē​tóu qǐ​tǎo wéi​shēng.

   He makes a living by begging on the streets.

   Source: Dong Chinese Dictionary

2. 我不是来乞讨的。

   wǒ bù shì lái qǐ​tǎo de.

   I'm not here to beg.

   Source: OpenSubtitles

3. 他生意失败后，竟然沦落到在街头乞讨。

   tā shēng​yi shī​bài hòu, jìng​rán lún​luò dào zài jiē​tóu qǐ​tǎo.

   After his business failed, he actually ended up begging on the streets.

   Source: Dong Chinese Dictionary