I'm afraid to have a test.
我很害怕考试.
be afraid to后接表动作的短语(do sth.)
意为不敢做……事
I'm afraid to tell him the truth.
She was afraid to wake her husband.
I'm afraid to have a test.
He's afraid to hear that.
I'm afraid to watch a triller movie.
我不敢看惊悚片。
I'm afraid to give a speech.