We both thought that all in all it might not be a bad idea.

我们俩都认为总的来说这可能不是个坏主意。

《柯林斯英汉双解大词典》

Not a bad idea.

主意不错。

youdao

In fact, I think a garden is a really bad idea.

事实上，我认为花园是一个非常糟糕的主意。

youdao

They also said it was a bad idea for the United States to take control of any nation in the Caribbean.

VOA: special.2010.02.18

His son has the bad idea of getting involved in this later, as we shall see.

他的儿子日后很不明智地牵扯在其中,这一点我们后面会讲到

耶鲁公开课 - 欧洲文明课程节选

There's really a really bad idea that gets funded, ok.

那个说法的确不太好。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

If you bought that Singapore bond, holding it to maturity might be a bad idea.

FORBES: The Global Test

Seems like getting a second opinion on the Red Bull defense is not a bad idea.

FORBES: Prosecutors Taking Another Look at "Red Bull" Murder Defense

Sadly, they may conclude that brave work on hot topics is a bad idea.

ECONOMIST: Anna Politkovskaya