0 the feeling of fear, especially if felt suddenly, or an experience of fear that happens suddenly -- (尤指突然産生的)恐懼,驚嚇;使人驚嚇的經歷
I got such a fright when he flung open the door that I dropped my glass.
We had an awful fright, I can tell you, but thank goodness we're safe now.
The sudden and unexpected display of parental fright is supposed to be frightening for the infant who is unaware of its cause.
Afterwards, it may 'follow' some invisible object in its cage and even 'attack' it, or it may display rage behaviour, or fright.
The latter takes very seriously the idea that the fright indeed has a cause.