for free
01
免费, 无偿
at no cost to the person receiving something
Informal
例子
We got tickets to the concert for free through a radio giveaway.
我们通过电台赠品免费获得了音乐会的门票。
1.1
免费, 白白地
used to strongly emphasize the certainty of what one is saying, especially in stating the obvious
例子
You keep trusting him, but he 'll let you down; I 'm telling you that for free.
你一直信任他，但他会让你失望；我免费告诉你这一点。
