蜀犬吠日

1. • lit. Sichuan dogs bark at the sun (idiom) fig. a simpleton will marvel at even the most common things
2. • alludes to the Sichuan foggy weather where it's uncommon to see a sunny day

Character by character

• 蜀(shǔ)short name for Sichuan 四川 sìchuān province
• 犬(quǎn)dog
• 吠(fèi)bark
• 日(rì)sun