他们会变得开心英文怎么说

"他们会变得开心" 英文可以用 "They will become happy" 表示。

这句话的来源是英文的基本语法。

英文的基本语法规则是：主语 + 动词 + 宾语。在这句话中，"他们" 是主语，"会" 是动词，"变得开心" 是宾语。

其他一些常见的英文表达方式：

They will feel happy. (他们会感到开心)
They will become cheerful. (他们会变得愉快)
They will be in good spirits. (他们会心情愉悦)

例句：

I'm sure that once you see your family, you'll become happy. (我确信一看到你的家人你就会变得开心)
The news of their engagement made them feel happy. (他们订婚的消息让他们感到开心)
After a long day at work, a cold beer and good company always puts me in good spirits. (工作一整天后，喝瓶冰镇啤酒和与好友在一起总能让我心情愉悦)