油漆刷子的英文是 "paintbrush"。
其来源为：英文 paint 意为 "油漆"，brush 意为 "刷子"。
一些英文例句及其中文翻译如下：
I need to buy a new paintbrush to finish this project. (我需要买一个新的油漆刷子来完成这个项目。)
She carefully cleaned her paintbrush after each use. (她每次使用后都仔细地清洗她的油漆刷子。)
He dipped his paintbrush into the paint and began to paint the wall. (他将油漆刷子浸入油漆中，开始给墙刷油漆。)