expression

/ɪkˈsprɛʃən/

the feelings expressed on a person's face

中文释义：表情；神色

His expression changed from surprise to delight when he saw the gift.

看到礼物时，他的表情从惊讶变成了喜悦。

She had a worried expression on her face throughout the meeting.

整个会议期间，她脸上都带着担忧的表情。