1. I couldn't believe the sheer size of it.
我简直不敢相信它竟然这么大。

2. We must take the size of it into account.
我们必须考虑到它的规模。

3. The size of it is not the main problem.
它的尺寸并不是主要问题。

A: Have you seen the new stadium?
A：你看到那个新体育场了吗？

B: Yes, the size of it is incredible!
B：看到了，它的规模简直不可思议！

1) 指物体的物理尺寸或维度

2) 指事物的规模或影响范围

3) 指某种情况的程度

1. 某物的尺寸或规模

e.g. The size of it is crucial for the project.
它的规模对这个项目至关重要。

phrase

1. The physical dimensions or the scale of something.