I have not decided yet.

我还没决定。

youdao

When we shall hold our sports meet is not decided.

我们何时举行运动会还没有决定。

youdao

Taxpayer: we have not decided it.

纳税人：还没确定。

youdao

The nation's top law enforcement official said the Obama administration is reviewing each detainee's case, and has not decided where to send them.

VOA: standard.2009.05.09

but I was up really late the night before and I just randomly decided not to go.

但我前一晚熬夜了，所以我就临时决定不去了。

I was实战 - SpeakingMax英语口语达人

I've decided not to pass it out today because, after all, I want to get it into the right hands!

我今天不会把它发下来，因为我想给发正确的人！

耶鲁公开课 - 文学理论导论课程节选

Monsignor France said the church had not decided what to do with the building yet.

BBC: Jersey chapel closes due to lack of Catholic priests

Lord Hurd said the commission had not decided to back the abolition of hereditary peers.

BBC: News | UK Politics | Lords reform - any ideas?

And they have not decided whether the long-term answer is a fiscal union, or not.

ECONOMIST: Italy and the euro