Hi everyone! Back from summer break, I am going to present some four-characters Chinese idioms (chengyu) that express in a metaphorical way the concept of imaginary fear.
The first one is 杯弓蛇影 bēi gōng shé yǐng.
This chengyu refers to the episode of the Han Dynasty (30 - 220 AD) where the shape of a bow hung on the wall, which is reflected in a cup, is mistaken for