关于微笑的英文短句，综合多个权威来源整理如下：

一、经典哲理类

1. "A smile is the universal language."（微笑是通用语言）

2. "The world always looks brighter from behind a smile."（微笑的背后永远是光明）

3. "Life is short, so smile while you still have teeth."（人生太短，趁还有牙齿时笑）

二、情感共鸣类

1. "A smile is the light in your window that tells others there's a caring person inside."（微笑是窗内的光，暗示你内心有善意）

2. "Never stop smiling, not even when you are sad, someone might fall in love with your smile."（永远不要停止微笑，即使难过，也可能有人因你的笑容而倾心）

3. "What upset you will be talked about by you with smile one day."（让你难过的事，终有一天会笑着提及）

三、生活启示类

1. "Don’t go for looks； they can deceive. Don’t go for wealth； even that fades away. Find the one that makes your heart smile."（不要追求外表，它会欺骗；财富虽好，却如过眼云烟，寻找让你内心微笑的人）

2. "A smile is the best medicine."（微笑是最好的良药）

3. "Smile, it's contagious!"（微笑具有感染力）

四、简洁表达类

1. "Smile, continue to pride."（用微笑继续骄傲）

2. "The smile is faint, the light cloud, knead in sadness."（笑如淡云，轻抚忧伤）

3. "Only in your smile, I just have to breathe."（只有你的笑容，我才能呼吸）

这些短句覆盖了微笑的多种内涵，既包含哲理思考，也蕴含情感共鸣，适合用于表达积极生活态度或传递温暖祝福。