他们大约每隔两天就争吵一次，整整持续了半年多，谁也不肯认输 翻译成英文

They quarreled almost every two days for more than half a year without any intervals. No one yield to each other.

They quarrel about every two days at a time, lasted for more than half a year, who also refused to admit defeat.

They quarreled at about two days' intervals for more than half a year,and neither of them would yield to the other.