当火警尖啸、乘客们尖叫着抱起孩子时，那位冷静沉着的保安不慌不忙地指引每个家庭走向最近的出口。
While passengers screamed and grabbed their children as the fire alarm blared, the phlegmatic security guard calmly pointed each family toward the nearest exit.
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phlegmatic英 /flɛɡˈmætɪk/|美 /flɛɡˈmætɪk/
解释
冷静沉着的、处变不惊的（在紧急情况下保持镇定）
While passengers screamed and grabbed their children as the fire alarm blared, the phlegmatic security guard calmly pointed each family toward the nearest exit.
冷静沉着的、处变不惊的（在紧急情况下保持镇定）