expression
how dare you!; how can you have the nerve?
An exclamatory phrase expressing anger, shock, or indignation at someone's audacious or outrageous action. Often used in confrontational or dramatic speech.
よくもそんなことを言えたものだ。
How dare you say such a thing!
よくもそんなことをしてくれたな。
How could you do something like that to me!