This gave me the unique idea, that I can't really give a good reason for.

我找到了这样独特的想法，虽然我找不出一个合理的理由。

youdao

He gave a good reason for it.

他举出其正当理由。

youdao

So the woman, I have immediately forgotten the name of, in the red shirt, whose name was Courtney, so Courtney also gave a reason for choosing Alpha, and it was a perfectly good reason for choosing Alpha, nothing wrong with it, but notice that this reason's a stronger reason.

我忘记刚才那位女士的名字了,穿红色衬衫的那位,她叫考特尼,对,考特尼也说了她为什么选α,她也有不错的理由来选α,这本身没错,但是呢,这个理由显得更充分

耶鲁公开课 - 博弈论课程节选

For his part, Obama gave them good reason to believe he could be intimidated.

CENTERFORSECURITYPOLICY: Obama's new world order and Israel

The Rangers finally gave away the momentum when Boyle slashed Ribeiro for no good reason in front of a referee near the Rangers' net.

WSJ: Capitals top Rangers 2-1 in OT, take series lead