It was worth it to see all those smiling faces.

看着那些微笑的脸孔，这么做就是值得的。

《柯林斯英汉双解大词典》

He looked down at the sea of smiling faces before him.

他看着眼前这笑脸的海洋。

《牛津词典》

The teens took a photo of smiling faces to welcome World Smile Day in May.

为了迎接5月的世界微笑日，这些青少年拍下了笑脸的照片。

youdao

I think both of us would love to see your smiling faces, or at least your faces, even if you're not smiling at us every day.

我觉得我们俩都想,看到你们微笑的脸，或者至少是你们的脸，即使你们不是每天都朝着我们俩笑。

麻省理工公开课 - 计算机科学及编程导论课程节选

They'll smile appropriately, making an important point that smiling is not learned by looking at other people's faces.

他们会适当地微笑，说明微笑不是学习的,通过观察其他人的面部表情。

耶鲁公开课 - 心理学导论课程节选

It was a great feeling to come off the park with so many happy, smiling faces.

BBC: Burley praises players and fans

Seeing the smiling faces of the men, women, and children make for a lifetime of unforgettable memories.

WHITEHOUSE: Dream Big: Water

The mural is an exuberant representation of a pre-Castro Havana, Cuba, depicting a diverse crowd of smiling faces.

FORBES: A Cuban Restaurateur's Comprehension of Ozzie Gullien's Mouth