よくもまあ

Freq.FrequencyTop 50,000

Meanings

usually written using kana alone

Emphatic adverbial expression used to express surprise, indignation, or admiration at someone's audacity or ability. Often carries a tone of disbelief or reproach.

よくもまあそんなことが言いえるね。
How dare you say such a thing!
よくもまあ一人ひとりでここまで来こられたものだ。
I'm amazed you managed to come all this way by yourself.