I'm not quite myself today.

我今天身体不大自在。

《新英汉大辞典》

She says: "Even though I like to keep myself up-to-date, I'm not out to make a huge fashion statement and I'm quite a traditional dresser."

她说，“尽管我一直让自己紧跟时尚潮流，但我从来不在媒体面前发表什么时尚评论，其实我对穿衣还是保留着很传统的概念的。”

youdao

I'm not quite feeling myself today.

我今天觉得身体不大舒服。

youdao