knuckle to
Avanzado (C1) formal
To give up fighting and do what someone powerful wants you to do.
"The workers refused to knuckle to the factory owner's unfair new rules."
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[Co-Stream] Call of Duty League Major III Qualifiers | Week 3 Day 2
Call of Duty · 286:50
Knuckle to knuckle.
How To Use a Black Hole To See Your Past
The Rest Is Science · 16:12
to get from that knuckle to the tip of my thumb.