我怕我适应不了。

I'm afraid I won't fit in.

youdao

我怕我失去了冷静。

I am afraid I lose my cool.

youdao

我怕我想当医生的梦想已经破灭了。

I'm afraid my dream of being a doctor has just gone up in smoke.

youdao

Who will help Tony the Tow Truck? "I cannot help you," says Neato the Car. "I don't want to get dirty."

谁能来帮帮拖车托尼？，“我帮不了你“,小轿车尼陀说，“我怕脏“

耶鲁公开课 - 文学理论导论课程节选

I'm afraid of heights.

我怕高。

I'm afraid of 实战 - SpeakingMax英语口语达人

If history is any indication 72% of the people ; in the theater have no prior programming experience; despite what you may think and despite the fact that some of you may very well be thinking, odds are I know the least about computers than anyone in here, I'm actually a little scared of my computer.

以往的经验表明,大讲堂里72％的人没有任何编程经验;,不管你们怎么想,有些人可能现在就在考虑了，奇怪的是比起在座的各位，我最不了解计算机，我甚至有点怕我的电脑。

哈佛公开课 - 计算机科学课程节选