feel free to do...就是“想要干...就请自便吧”
例句 I made a lot of food,so feel free to eat whatever you like.
我做了很多食物,所以想要吃什么都可以自便.
如果还有什么问题可以找我~outside one's field造句就是在谁谁的领域之外的意思I don't know anything about computer science as it is outside my field.我对计算机学一点儿也不懂，因为它已经超出了我的领域。