矯正 （キョウセイ） correction (of a fault, defect, flaw, etc.), remedy, rectification, redress, reform, straightening (of teeth)

矯角殺牛 （キョウカクサツギュウ） trying to straighten the horns of a bull, and killing it in the process, trying to correct a small defect and ruining the whole thing, the cure is worse than the disease

奇矯 （キキョウ） eccentric

矯める （ためる） to straighten, to correct, to cure, to falsify