第一，迷你對話

A: I won't select computer science this semester.

這學期我不想選修計算機課了。

B: Why not?

為什么不選呢？

A: It seems to be out of my depth.

對于我，太難了。

第二，地道表達

be out of one's depth

1. 解詞釋義

Be out of one's depth的意思是“超出某人的理解能力或力所不及”。

2. 拓展范例

E.g. When they start talking about economics, I'm out of my depth.

他們一談起經濟學，我就一竅不通了。

E.g. The student was out of his depth in discussion on the Middle Ages.

那個學生對關于中世紀的討論感到難于理解。

E.g. I'm out of my depth when it comes nuclear physics.

我對原子核物理學一竅不通。

E.g. He's quite out of his depth, you must take him on as your apprentice.

他相當外行，你就收他做徒弟吧。