!for free等于形容词gratuitous,gratuitous中文意思是adj. 无理由的,无端的免费的

However, I should help you, not for gratuitous.但我帮助你是应当的,不能计报酬的。

And I think it's just totally gratuitous. It's mindless.

我认为这就是完全无偿。这是盲目的。