“惊惶失措”常见的英文表达是 “panic-stricken” 或 “thrown into a panic”，也可用 “be overcome with panic” 来描述这一状态。以下为具体说明：
panic-stricken：形容词，表示“极度惊慌的；吓呆了的”，例如：The crowd was panic-stricken when the fire broke out.（火灾发生时，人群惊慌失措。）
thrown into a panic：动词短语，表示“陷入恐慌；惊慌失措”，例如：The sudden loud noise threw everyone into a panic.（突然的巨响让所有人都惊慌失措。）
be overcome with panic：表示“被恐慌笼罩；惊慌失措”，例如：She was overcome with panic when she realized she was lost.（当她意识到自己迷路时，惊慌失措。）