孩子们在操场上自由自在地玩耍，没有任何限制。

The children played on the playground with ___untrammeled joy and no restrictions.

他的创造力不受传统规则的束缚。

His ___untrammeled creativity breaks free from traditional rules.

鸟儿在无拘无束的天空中自由飞翔。

The birds flew freely in the ___untrammeled sky.