2 sentences for 自称 (zì​chēng — claim)

1. 他们自称是游客。

   tā​men zì​chēng shì yóu​kè.

   They say they're tourists.

   Source: OpenSubtitles

2. 他自称是那场事故的唯一目击者，但警察并不相信他。

   tā zì​chēng shì nà cháng shì​gù de wéi​yī mù​jī​zhě, dàn jǐng​chá bìng bù xiāng​xìn tā.

   He claimed to be the only witness to the accident, but the police didn't believe him.

   Source: Dong Chinese Dictionary