他在聚会上表现得非常自然，完全不在意别人的目光。

He acted ___unselfconsciously at the party, not caring about others' opinions.

孩子们在公园里无拘无束地玩耍，完全不在意路人的目光。

The children played in the park with ___unselfconscious joy, oblivious to the onlookers.