rare and precious things 凤毛麟角

凤毛麟角，汉语成语，字面意思是凤凰的羽毛，麒麟的角（as rare as phoenix feathers and unicorn horns），比喻珍贵而稀少的事物或人才。可以翻译为“very rare，rare and precious things，extraordinary and excellent people”。

例句：

好的电工在这一带如凤毛麟角。

Good electricians are like gold dust round here.