1. I haven't been feeling myself lately.

我最近状态不是很好！

2.Today is not my day.

我今天状态不好。

It hasn't been my day /week / month / year.

今天/这周/这月/今年我都比较丧。

3.I've been feeling stuck.

我最近状态不好，停滞不前。

Nothing is going as planned. I've been feeling so stuck.

事情进展得都不顺利，我感觉一切停滞不前。

4.I've been in a rut.

我最近状态一直不好，一成不变。

5.I've been on an emotional roller coaster.

情绪过山车