unrestrained

adj.无限制的

不受限制的；放纵的；无节制的

形容词

1、His unrestrained behavior at the party embarrassed his friends.
他在派对上放纵的行为让他的朋友们感到尴尬。
2、The children were running around the playground with unrestrained joy.
孩子们在操场上欢乐地奔跑着，毫无约束地快乐着。