这是一个户外派对，所以请穿得随意些。

It's an outdoor party, so dress ___informally.

我们工作时穿着非常随意。

We dress very ___informally at work.

他与团队交谈时很随意，营造了一种轻松的氛围。

He spoke ___informally to the team, creating a relaxed atmosphere.