gratis

1. ADV If something is done or provided gratis, it does not have to be paid for. 免費(fèi)地[ADV after v]

David gives the first consultation gratis. 戴維免費(fèi)提供第一次諮詢(xún)。

2. ADJ Gratis is also an adjective. 免費(fèi)的

What I did for you was free, gratis, you understand?

我爲(wèi)你所做的都是免費(fèi)的、不收錢(qián)的，你明白嗎？