蜀犬吠日

1.In Sichuan dogs bark at the sun (because it's a rare sight in that misty region).; a dog barking at the sun where the sun is rarely seen as in the mountains of Sichuan; An ignorant person makes a fuss about sth. which he alone finds strange.; dogs in Sichuan barking at the sun; A Sichuan dog barks at the sun.; A Sichuan dog barks when the sun comes out (being so rare an occurrence) -- referring to astonishment at unfamiliar sights.; uncalled-for excitement out of sheer ignorance