Tā zuìjìn bēigōng-shéyǐng, zǒng huáiyí yǒurén yào hài tā.
Lately he is jumping at shadows, always suspecting someone wants to harm him.
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From 应劭《风俗通义》 (Han dynasty): a man saw what he thought was a snake in his wine cup and fell ill with fear. It turned out to be the reflection of a bow hanging on the wall. Once he realized the truth, he recovered.
