"wrinkle up" in Chinese (Simplified)
皱起（皮肤/衣服）
Definition
使表面出现小褶皱或皱纹，通常用于皮肤或布料，常因挤压、皱眉或肌肉运动而形成。
Usage Notes (Chinese (Simplified))
通常为非正式用语，常指皱眉或表情变化（如'wrinkle up your face'表示表情）。有时也用于衣物。常与反身用法连用。侧重于瞬间动作而非结果。
Examples
He always wrinkles up his nose when he smells something bad.
他闻到难闻的东西时总会**皱起**鼻子。
The old shirt wrinkled up after being washed.
那件旧衬衫洗完后就**皱起来**了。
My eyes wrinkle up when I laugh.
我笑的时候眼睛会**皱起来**。
Her face wrinkled up in confusion when she read the message.
她读信息时，脸上因困惑而**皱了起来**。
"Don't wrinkle up your face like that," mom said, laughing.
“别这样**皱着**脸啊，”妈妈笑着说。
His shirt wrinkled up in his suitcase during the long flight.
他的衬衫在长途飞行时在行李箱里**皱了起来**。