他提出免费做这件事。

He offered to do it for free.

然而羊儿们可以免费做这项工作。

Sheep will work for free.

不！没人会免费做这种工作。太疯狂了！－是的，免费慈善服务。完全免费。不！

No! Nobody will do that for free. It's crazy! Yeah, pro bono. Completely for free. No!

我喜欢谈论有关个人发展的事情，我愿意免费做此事。

I love to talk about personal development;I would do it for free.

我喜欢谈论有关个人发展的事情，我愿意免费做此事。

I love to talk about personal development; I would do it for free.