1. Her lips curved into a subtle smile, revealing a glimpse of her pearly teeth.
她的嘴唇弯成微妙的微笑，露出一排洁白的牙齿。
2. With lips pursed, she blew a gentle kiss into the air.
她双唇紧闭，向空中吹出一个温柔的吻。
3. The corners of his mouth twitched up, indicating his amusement.
他嘴角抽搐了一下，显示出了他的愉悦。
4. His mouth gaped open, as if he had seen a ghost.
他的嘴大张着，好像看到了鬼一样。
5. Muttering to herself, she paced around the room.
她喃喃自语，在房间里踱来踱去。
6. His lips trembled with unspoken words.
他的嘴唇因未说出口的话而颤抖。
7. The smile on her face was so radiant that it lit up the entire room.
她脸上的微笑如此灿烂，照亮了整个房间。
8. Her lips moved silently, forming the words of a silent prayer.
她的嘴唇无声地移动，形成无声的祈祷之词。
9. If only he had not bitten his tongue, he would have spoken his mind.
要是他没有咬到舌头，他就会说出心里话了。
10. His mouth hung open in astonishment as the news was announced.
消息宣布时，他惊讶得张大了嘴。
11. The young girl's lips quivered as she struggled to hold back her tears.
小女孩的嘴唇颤抖着，她努力忍住泪水。
12. The corners of his mouth lifted in a mischievous grin.
他嘴角扬起顽皮的笑容。
13. Lips parted, she drew in a deep breath of fresh air.
她嘴唇微张，深吸了一口新鲜空气。
14. It was as if her mouth were sealed shut, unable to utter a word.
她的嘴好像被封住了，一个字也说不出来。
15. Standing alone, he whispered to the wind, his lips barely moving.
他独自站着，对风低语，嘴唇几乎不动。