专心 用英语怎么说

"专心"用英语说是"focused".
"专心"这个词来源于拉丁语"focus"，意思是"中心，焦点"。在英语中，"focused"指的是专注于一件事情的状态。例句：
I need to be more focused at work. (我需要在工作中更专注。)
She was so focused on her studies that she didn't notice the time passing. (她专心于学习，没有注意时间过去。)
希望这些例句对你有帮助。