开心的模样英语怎么说

"开心的模样" 英文可以表示为 "a happy expression"。
"Expression" 是英文中表示"表情"的词，例如：
She had a happy expression on her face. (她脸上有一副开心的表情。)
His expression changed from happiness to sadness when he heard the news. (他听到这个消息时，他的表情从开心变成了悲伤。)
此外，还有一些其他的表示"开心"的短语，例如：
He was grinning from ear to ear. (他耳朵到耳朵地笑。)
She was beaming with joy. (她满脸喜悦。)
He had a big smile on his face. (他脸上有一个大笑容。)