Can I point something out to you?

我能指出一点吗？

Basically, you point something out about a person and you make fun of it.

简单来讲，你从某人身上指出什么然后你嘲笑那个被指出的东西/事情。

No, I'm just pointing something out. I'm a pretty girl, and pretty girls are never lonely.

不，我只是提醒你一下。我是个漂亮的女人，而漂亮的女人决不会孤单。

I may sound cruel because I'm doing my best to point something out to the two of you.

我上面的话可能听起来很无情，那是因为我在尽力向你们说明一些事情。

No, i'm just pointing something out.

不是 我只是阐述事实。

So it's like a red flashlight, usually the size of a pen, that you can use to point something out on a screen with the red light.

所以它就像一个红色手电筒，通常有一支笔那么大，你可以用它用红光在屏幕上指出一些东西。

Another example of the proper usage of this phrase is when, as a stranger, you want to point something out of benefit to someone, as in " Excuse me, (but) I believe you dropped something out of your wallet."

另外一种使用该短语的合适情形是，当你作为一个陌生人时，想为别人指出某件事情时。比如“打扰了，（但是）您的似乎是从钱包里掉了什么东西。”