You may refuse by saying, "Thank you for inviting me, but I will not be able to come."

你可以这样拒绝：“谢谢你的邀请，但我来不了。”

youdao

I draw the trifling issue of a few billion fatalities to your attention not to make you look like a heartless fascist but because it's a reality with which you refuse to engage.

我提出引起你关注的数十亿人死亡的琐碎问题不是为了要让你看起来像一个无情的法西斯，而是因为这是一个你拒绝审视的现实。

youdao

His wife would listen to nothing he said, but continued to reproach him,and as he had given way to her the first time, he could not refuse to do so now.

他的老婆一点也听不进去他说的，却一直羞辱他，因为他第一次已经向她妥协了，他也不能拒绝现在再做一次。

youdao

But in case it does not work out and they refuse to lay down their arms and insist to continue their struggle for whatever reason,then the government is keeping the military option open,".

VOA: standard.2009.04.27

She said she sympathized with some mothers, but not when they refuse to acknowledge what their child has done.

CNN: SHARE THIS

Now and then, an obnoxious client would not only refuse to tip them but also walk off with their belongings.

NEWYORKER: The House Behind a Weeping Cherry

Farbrace, 41, left his job as coach and head of the academy with Kent two years ago, but he says he could not refuse the opportunity to return.

BBC: Farbrace to return as Kent coach