I would rather not tell you.

我看还是不告诉你的好。

youdao

I would rather not talk about it.

我不想谈这些。

youdao

I would rather not say。

你可以说"I would rather not say." (还是别说了吧)。

youdao

That is rather sad,I would say." Bartuska is not alone.

VOA: standard.2009.11.17

But you're really seeing it turning into a direction where I would rather not see it go.

但你看到了它正在朝着我不愿意看到的方向转变。

纽约的负面变化 - SpeakingMax英语口语达人

66 I'm sure it would be very amusing if I fell, but I'd rather not.

但我可不想，我们用13除以。

麻省理工公开课 - 化学原理课程节选

Mr. JARRETT: Anything I'm doing on stage that looks like it's part of a circus act is something I would rather not do.

NPR: Keith Jarrett's Audience Connection

"I would rather not know, " Robert Jordan said.

NPR: Robert Jordan, Hemingway's Bipartisan Hero

"I would much rather not have them see my stuff right now, " Sabathia said.

WSJ: Yankees beat Boston without Jeter