少有 (shǎo yǒu) means “rare” | MotiTan Chinese Dictionary

More examples

这是一项少有的研究成果，值得关注。zhè shì yí xiàng sháo yǒu de yán jiū chéng guǒ zhí de guān zhù

This is a rare research achievement worth noting.

Something that appears only a few times, making it rare or unusual.

罕见hǎn jiàn: Rarely seen or encountered, emphasizing unusualness.
难得nán dé: Rare and hard to come by, often suggesting special value.

表示罕见、难得遇到的事物或情况，多用作定语或谓语，偏书面。biǎo shì hǎn jiàn nán dé yù dào de shì wù huò qíng kuàng duō yòng zuò dìng yǔ huò wèi yǔ piān shū miàn

少 (shǎo, "few") + 有 (yǒu, "exist") combines to describe something that is found or encountered only infrequently.

This word often appears in reports and literary prose, so recognizing its formal register helps with reading even when a different expression is preferred in speech.