他真的很聰明用英語怎麼寫

阿尼很聰明，但他又是一個利己主義者。

Arnie is clever enough, but he's also an egomaniac.

這些男人不善交際，但很聰明。

The men are very socially awkward but very bright.

我喜歡考拉因爲它們很聰明。

I like koalas because they're very smart.

事實上，這個女孩很聰明。

In fact, the girl was so clever.