我为你所做的一切都是免费的，无偿的，你明白吗？What I did for you was free, gratis, you understand?他既挣了钱，又做了免费的广告！He is making money and receiving free advertising to boot!医疗保健在实际提供点仍然是免费的。Medical care is still free at the point of use ....

“免费的”的英语可以翻译为：franco，free，[法] free of charge，gratis，buckshee ...