beyond the pale

US /biˈjɑːnd ðə peɪl/
UK /biˈjɑːnd ðə peɪl/
"beyond the pale" picture
1.

越界, 不可接受

unacceptable or outside the bounds of what is considered normal, acceptable, or civilized behavior

:
His comments were completely beyond the pale.
他的評論完全越界了
Such behavior is beyond the pale in a professional setting.
這種行為在專業場合是不可接受的