in panic 和in a panic哪个才是正确的短语?

问题描述:

in panic 和in a panic哪个才是正确的短语?

楼上说的非常到位,我再补充两个例句给你做参考.
panic
恐慌;惊慌;慌乱
she hit him in panic.
惊恐之中她打了他.
[in sing.]he ran to the library in a blind panic.
他惊慌失措地跑向图书馆.