as spring mellowed into summer春天缓缓入夏

The balmy afternoon had mellowed into a lovely evening.宜人的下午缓缓地变成美好的傍晚。

His rage mellowed into a plea.他的愤怒渐渐平息, 变成恳求。

He is now mellowing into middle age.他现在正缓缓步入中年。