21. Players thought owners would knuckle under around Christmas, but that ain't gonna happen. 22. Those failing to knuckle under , like the opposition paper Al-Ummah, were physically attacked, 23. The company knuckled under on the major issues, and the strikers have begun returning to work. 24. "knuckle under " or " surrender, " they need to stop. 25. When things are bad we all kind of knuckle under and just take what we can get, 26. With an alacrity that some in the region found astonishing, Syria quickly knuckled under and expelled Ocalan. 27. The government is trying to clean up its image by promising to knuckle under International Monetary Fund discipline. 28. She says she refuses to knuckle under to extremists or live in fear _ she refused the guards. 29. The fight had been conducted bare-knuckle under the " London Prize Ring Rules ". 30. Then, will Bill knuckle under to Newt's House members, or will he take them on?