3 sentences

1. 他在街头靠卖艺活命。

   tā zài jiē​tóu kào mài​yì huó​mìng.

   He makes a living by performing on the streets.

   Source: Dong Chinese Dictionary

2. 他靠在街头卖艺糊口。

   tā kào zài jiē​tóu mài​yì hú​kǒu.

   He makes a living by performing on the streets.

   Source: Dong Chinese Dictionary

3. 他仅靠在街头卖艺来维生，日子过得很辛苦。

   tā jǐn kào zài jiē​tóu mài​yì lái wéi​shēng, rì​zi guò de hěn xīn​kǔ.

   He makes a living solely as a street performer, and his life is very hard.

   Source: Dong Chinese Dictionary