sour

vt

1. 使变酸

• The hot weather soured the bread. 炎热的天气使面包变酸了。

2. 使（某事）变糟；使（某人）脾气变坏

• Relations between the two families were soured by the divorce of their children. 由于孩子离婚，两家的关系恶化了。

• The death of her husband soured her disposition. 丈夫的死使她的性情变得乖张。

vi

1. 变馊

• Milk sours quickly in hot weather. 牛奶在热天会很快变馊。

2. 变坏；变得暴躁

• Their business began to sour because of the poor management. 由于管理不善，他们的生意开始不景气。

• His personality has soured. 他的性情变坏了。