foolishly

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

如果你这样愚昧下去, 你必须准备自食其果。

She behaved foolishly but with good intent.

她表现得很愚蠢, 不过用心却是好的。

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

有些男孩子常常胡闹, 举止荒唐。

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

我要坦率对你说, 你做得很愚蠢。