panic + fear/terror/dread 等抽象名词
panic 作形容词时通常只用在名词前，修饰 fear、terror、dread 等表示恐惧的抽象名词，说明这种恐惧是突然而压倒性的。
A panic fear spread through the crowd when the lights went out.
灯一灭，一阵突如其来的恐慌在人群里蔓延开来。
(恐惧、惊吓等)压倒性的或突然的；与压倒性的恐惧或惊吓有关的,或由此引起的；没有理由的
sudden and overwhelming; caused by or relating to sudden fear
常作定语，如 panic attack（惊恐发作）
(恐惧、惊吓等)压倒性的或突然的
Of fear, fright, etc: overwhelming or sudden.
与压倒性的恐惧或惊吓有关的,或由此引起的
Pertaining to or resulting from overwhelming fear or fright.
A panic fear gripped the passengers when the plane started to shake.
飞机开始颠簸时，一种极度的恐惧攫住了乘客们。
用法提示：这里 panic 是形容词，修饰 fear，强调恐惧突然而强烈。
In a panic reaction, he pressed the emergency stop button.
在恐慌的反应下，他按下了紧急停止按钮。
用法提示：这里 panic 是形容词，修饰 reaction，说明该反应由恐慌所致。
The sudden noise caused a panic flight from the room.
突然的声响使房间里的人惊慌逃离。
用法提示：这里 panic 是形容词，修饰 flight，表示逃跑行为由恐慌引起。
panic 作形容词时通常只用在名词前，修饰 fear、terror、dread 等表示恐惧的抽象名词，说明这种恐惧是突然而压倒性的。
A panic fear spread through the crowd when the lights went out.
灯一灭，一阵突如其来的恐慌在人群里蔓延开来。
panic 也可放在 alarm、button 等名词前，表示因恐慌而使用或由恐慌引起的装置，这类搭配多用于固定说法中。
The staff pressed the panic button as soon as the alarm sounded.
警报一响，员工就按下了紧急按钮。
grammar · medium
易错句子The situation was panic.
正确表达It was a panic situation.
panic 作形容词时通常只作定语，放在名词前，不能放在系动词后作表语。表示“恐慌性的情况”时，应说 a panic situation。
grammar · medium
易错句子There was a panic buying after the news.
正确表达There was panic buying after the news.
panic buying 是形容词 panic 修饰动名词 buying 构成的不可数名词短语，前面不加不定冠词 a。
grammar · medium
易错句子Panic buying are common during a crisis.
正确表达Panic buying is common during a crisis.
panic buying 是动名词短语作主语，视为单数，谓语动词用 is，不用 are。
惊恐发作
She had a panic attack on the subway.
她在地铁上惊恐发作。
恐慌性抢购
The storm led to panic buying at supermarkets.
这场风暴引发了超市里的恐慌性抢购。
恐慌性抛售
Panic selling sent share prices tumbling.
恐慌性抛售使股价暴跌。
紧急呼叫按钮
The guard pressed the panic button behind the desk.
保安按下了桌子后面的紧急呼叫按钮。
安全屋
They hid in the panic room until the police arrived.
他们躲进安全屋，直到警察赶到。
惊恐障碍
Panic disorder can be treated with therapy.
惊恐障碍可以通过治疗得到改善。
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