DICT.TW Dictionary Taiwan

 蜀犬吠日 [ㄕㄨˇ ㄑㄩㄢˇ ㄈㄟˋ ㄖˋ; shu3 quan3 fei4 ri4]
 lit. Sichuan dogs bark at the sun (idiom); fig. a simpleton will marvel at even the most universal known.
 alludes to the Sichan foggy weather where it's uncommon to see a sunny day
 ◄ ►