insanely
US /ɪnˈseɪn.li/
UK /ɪnˈseɪn.li/

1.
非常, 极其
to an extreme or an exaggerated degree
:
•
The concert was insanely loud.
音乐会非常吵闹。
•
She's insanely talented.
她非常有才华。
2.
疯狂地, 不理智地
in a foolish or irrational way
:
•
He acted insanely, putting everyone at risk.
他疯狂地行动,让每个人都处于危险之中。
•
To think that is just insanely stupid.
那样想简直是愚蠢至极。