feel free

基本解释

Feel free to dance in the streets.
您可以自由地在街上跳舞了！
I feel free.
我覺得自由。
blog.sina.com.cn
Feel free to use some of your existing test cases when you test your integration.
在您測試您的集成時，您可以自由的使用您已有的測試用例。
dict.cn

You feel mighty free and easy and comfortable on a raft...
The other quick thing I want to say is that I do have office hours today from 3 to 5, so feel free to stop by if you have questions about problem-set 3 that you're finishing up.
我還想說一件小事,我今天的答疑時間是三點到五點，如果你對於第三次作業還有任何疑問,請在這個時間段來找我，不必客氣。
麻省理工公開課 - 化學原理課程節選
People should feel free to correct my arithmetic because it's often wrong; 90 right? Two-thirds of 90, whoops, what do I need, start again.
我要是算錯了要提醒我,我縂算錯,90對吧,90的2/3,我說錯了
耶魯公開課 - 博弈論課程節選

Unidentified Woman: If there's anything here you want, feel free to take whatever you need there.
NPR: At Iowa Meatpacking Plant, New Workers Complain

If someone tells you to feel free to do something, they mean that you can do it if you want to.