在这里，我们可以用 "he became kind" 来表示 "他变得善良"。
"Became" 是一个动词，表示 "变成" 或 "变得"。"Kind" 是一个形容词，表示 "善良"、"仁慈" 或 "和蔼"。
下面是一些关于 "he became kind" 的例句，并附有中文翻译：
He used to be very rude, but he became kind after he met his wife. (他以前很粗鲁，但在遇到他的妻子后变得善良了。)
She used to be very selfish, but she became kind after volunteering at the shelter. (她以前很自私，但在志愿者收容所工作后变得善良了。)
He used to be angry all the time, but he became kind and patient after learning meditation. (他以前总是很生气，但在学习冥想后变得善良和耐心。)