他看起来似乎很开心用英文怎么说

He seems very happy.

来源：这是一种常用的口语表达，用来描述一个人的表情或心情。

英文例句：

He seems very happy today. 他今天看起来很开心。
She seems excited about her new job. 她对她的新工作似乎很兴奋。
He seems a pttle nervous, but I'm sure he'll do great. 他看起来有点紧张，但我相信他会做得很好。