朋友是那些让你微笑，总是向你敞开心扉，并鼓励你成功的人。

Friends are those who make you smile, always open their hearts to you and encourage you to succeed.

youdao

你是如此可爱，让我的颧肌相遇。(让你微笑的肌肉。)

You're so cute you make my zygomaticus muscles contract. (muscles that make you smile).

youdao

什么让你幸福？什么让你微笑？在评论中分享你的想法和故事。在那儿见。

What makes you happy? What makes you smile? Share your thoughts and stories in the comment section below. See you there.

youdao

You give it when you want people to like you, you want to join in; you want to make people feel positive about you.

当你想让人喜欢你时会有这种微笑，你想加入他们;,你想让人们对你有好印象。

耶鲁公开课 - 心理学导论课程节选