よくもそんな

how dare you do such a thing

→ 良く

phrase Rare #39,461

how dare you do such a thing Expresses strong indignation or disbelief. It usually comes before a description of what someone did or said.

JA: よくもそんなことを言えたね。

EN: How dare you say such a thing.

How dare you!

— 預言者 (2009)

How dare you say such nonsense?

— 君の名は。 (2016)