1) I have been very busy today.

我今天好忙。
2) Today I am very busy.

今天我很忙。
3) I feel tolerably well today.

我今天还好。
4) I don't seem to have any luck today.

我今天运气不好
5) I'm out of form today.

我今天精神不好。
6) Are you busy today?

你今天忙吗?
参考词条