弓蛇汉应劭的祖父应郴为汲令以夏至日诣见主簿杜宣赐酒，时北壁上有悬赤弩，照于杯，形如蛇。宣畏恶之，酒后便胸腹痛切，多方医治不愈。郴知其事于故处设酒，杯中复有蛇。谓宣：“此壁上弩影耳，非有他怪。”宣即愈。事见汉应劭《风俗通怪神世间多有见怪惊怖以自伤者》。后因以
杯弓蛇影的意思应劭《风俗通义怪神第九》记载应郴请杜宣饮酒，挂在墙上的弓映在酒杯里杜宣以为杯中有蛇，疑心中蛇毒而生病。后用“杯弓蛇影”比喻疑神疑鬼妄自惊扰英extremely suspicious;have imaginary fears as one who mistakes the reflection of a bow in the wine cup
杯弓蛇影应劭《风俗通义怪神第九》记载应郴请杜宣饮酒，挂在墙上的弓映在酒杯里杜宣以为杯中有蛇，疑心中蛇毒而生病。后用“杯弓蛇影”比喻疑神疑鬼妄自惊扰。英extremely suspicious; have imaginary fears as one who mistakes the reflection of a bow in the wine cup fo