gratis
🇺🇸
/ˈɡrætɪs/
🇬🇧
/ˈɡrætɪs/
for free; no payment needed
They offered to do the work gratis.
他们提出免费做这项工作。
given or done for free; no payment needed
You can get a gratis ticket for your friend.
你可以免费为你的朋友获得一张票。