你主动提出帮忙，真是太好了。

It was very ___kind ___of you to offer your help.

他说那种话，真是有点刻薄。

That was rather ___mean ___of him to say that.

她捐赠了这么多，真是无比慷慨。

It was incredibly ___generous ___of her to donate so much.