for the better:（固定短语）：
好转,向好的方向发展
例如:
I am happy to say that the patient has taken a turn for the better,last evening it was touch and go whether he would survive the night.
我高兴地说,这个病人已经好转.昨天晚上情况十分危急,能否再活过一夜都很难说.