un-, 不，非，stint,定额，限制，吝惜。

1. They were unstinting in their praise.

他们赞不绝口。

来自《权威词典》

2. I can't speak too highly of the unstinting help I received.

我对我得到的慷慨帮助无论怎样称赞都不会过分.

来自《简明英汉词典》

3. The task of producing the text was made easier by the unstinting help and generosity extended to me.

在人们的慷慨帮助下，我写这篇文章的工作变得轻松了许多。

来自柯林斯例句

4. She was unstinting in her efforts to help.

她不遗馀力地提供援助.

来自互联网

5. We all appreciate your unstinting help.

我们都感谢你不吝相助.

来自互联网