knuckle under
中上級 (B2) informal
To finally do what someone powerful wants, even though you didn't want to.
"Despite their protests, the union eventually knuckled under to management's demands."
文脈の中で聞く
Penny Having Absolutely None of It for 21 Minutes
Big Bang Theory · 20:22
Knuckle under my ass.
'Big Bang Theory' But Penny Is the Main Character
Big Bang Theory · 8:11
knuckle under my ass.
30 Minutes of Nobody Being the Bigger Person | The Big Bang Theory
Big Bang Theory · 3:44
knuckle under my ass.