英语中描述表情的句子可以有很多种，这里提供一些例子：
1. He has a passive expression on his face. （他的脸上有一种漠然的表情。）
2. Her expression bespoke sobriety and saneness of soul. （她的表情显示出她的清醒和理智。）
3. When my little sister sees her father come back from work she always has a broad smile on her face. （当我的小妹妹看到父亲下班回来时，她总是面带笑容。）
4. I'm over the moon. （我非常高兴/开心。）
5. He did not feel sad, but I don't know what it is, but he suddenly understood: he was numb now! （他并不悲伤，但我不知道是什么，但他突然明白：他现在麻木了!）
6. A smiling face is a relaxed face. （微笑的脸是放松的脸。）
7. Smiling makes us feel good, and it keeps our bodies functioning better. （微笑让我们感觉良好，并且让我们的身体运转得更好。）
8. The surface of the calm lake stirred the waves, and my mood was as cheerful as a wave. （平静的湖面泛起涟漪，我的心情像波浪一样愉快。）
这些句子可以帮助你用英语描述人物的表情和情绪。
