the freedom to do, say, or feel what you want(言行或情感的)自由,自主,无约束
The young film-makers were given free rein to experiment with new themes and techniques.年轻的电影制片者们对新主题和新技巧可以自由尝试。
He deliberately gave his emotions free rein as he played the sonata.演奏这首奏鸣曲时,他刻意使自己的感情尽情奔放。