foolishly

Some boys are always acting the giddy goat, behaving foolishly.

有些男孩子常常胡闹, 举止荒唐。

She behaved foolishly but with good intent.

她表现很愚蠢, 不过用心却是好的。

I will be quite candid with you, I think you acted foolishly.

我要坦率对说, 很愚蠢。

If you behave so foolishly, you must be ready to take the consequences.

如果这样愚昧下去, 必须准备自食其果。