pinch for

例句：

1. 1. They pinched the balloon to make it bigger.
   他们捏气球让它变得更大。
2. 2. The child pinched his nose to stop crying.
   孩子捏鼻子止住了哭泣。
3. 3. She pinched her lips together to hide her smile.
   她咬住嘴唇隐藏微笑。