They freely admit they still have a lot to learn.

　　他們坦率承認，他們要學的東西還很多。

　　It was obvious that money flowed freely in their family.

　　顯然他們家族有的是錢。

　　This can prevent air from flowing freely to the lungs.

　　這可以防止空氣任意流入肺部。

　　EU citizens can now travel freely between member states.

　　歐盟國家的公民現在可以在成員國之間自由旅行。

　　The book is now freely available in the shops.

　　現在這本書在商店可以隨時買到。