Tā zài Dìfúní gěi nǚpéngyou mǎi le yì tiáo xiàngliàn.
He bought his girlfriend a necklace at Tiffany.
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culture
The usual Chinese form for the jeweler, founded in New York in 1837. The film Breakfast at Tiffany's (1961) is 《蒂凡尼的早餐》, with another spelling of the name; as a given name Tiffany is also written 蒂法妮 or 蒂芬妮.