7.for the better好转；改善
a change for the better好的转变
Things have recently changed for the better.近来情况有所好转。
He dreams of changing the world for the better.他梦想着让世界变得更美好。
8.for better or worse or for better or for worse不论好坏；不管结果怎样；不论是福是祸
9.to get the better of sb
(in contest, fight)战胜某人；超过某人；jealousy, curiosity, anger +让人难以掩饰；使人难以自制
My curiosity got the better of me.我按捺不住自己的好奇心。