英语中描述表情的句子非常丰富，可以表达各种情感。以下是一些常见的表达：

开心

She threw her head back in a hearty laugh after she heard the joke. 听了那个笑话，她笑得前仰后合。

She'll smile from ear to ear if we give her a bike for her birthday. 如果她生日得到我们送的自行车，一定会笑得合不拢嘴。

Come on, a big smile for me! 开心地笑一个吧!

Broad smile on the face. 这表示当一个人开心时，脸上带有笑容。

Beaming from ear to ear. 笑容满面。

难过

She looks sad today. 她今天看起来很难过。

Her expression bespoke sobriety and saneness of soul. 她的表情显得神志清醒正常。

愤怒

He is furious with the news. 他对这个消息感到愤怒。

He did not feel sad, but I don't know what it is, but he suddenly understood: he was numb now! 他突然明白了，他现在麻木了!

惊讶

His eyes widened in surprise. 他的眼睛惊讶地睁大了。[未提供来源]

害怕

This face is scared. 这是惊恐的表情。

害羞

This face is shy. 这是害羞的表情。

激动

She felt excited about the trip. 她对这次旅行感到兴奋。

My mood was as cheerful as a wave. 我的心情像波浪一样欢快。

漠然

She stared blankly at the brick wall in front of her. 面无表情地瞪着面前的砖墙。

He has a passive expression on his face. 他脸上有一种漠然的表情。

这些句子可以帮助你更准确地描述人物在不同情境下的表情和情感。希望这些例子对你有所帮助!