我不太困用英文怎么说

你可以说 "I'm not very tired" 来表示 "我不太困"。

这是一个常用的英语表达方式，来源于日常生活中人们描述自己的疲劳程度。

下面是一些例句：

I'm not very tired. I think I'll stay up and watch TV for a while. (我不太困。我想我会熬夜看电视一会儿。)
I'm feepng pretty awake today. I'm not very tired at all. (我今天感觉很清醒。我一点都不困。)
I had a good night's sleep, so I'm not very tired this morning. (我睡了个好觉，所以今天早上我不太困。)