专注认真英文怎么说怎么写

"专注认真"用英文可以表述为"pay attention"或者"be attentive and serious"。

来源：

这个短语的来源可以追溯到拉丁文，"pay attention"一词来源于拉丁文的"prestare attentionem"，意思是"给予关注"；"be attentive"一词来源于拉丁文的"attendere"，意思是"关注、留心"。

英文例句及其中文翻译：

Please pay attention to what I'm saying. 请注意我在说什么。
It's important to be attentive and serious when you're in class. 上课时要专注认真。
The teacher asked the students to pay attention to the instructions. 老师请学生们注意指令。
It's important to be attentive when you're driving to avoid accidents. 开车时要专注，以避免事故。