What are you going to do about him?

He's such a pain in the ass. What are you going to do about him? / Он - такой зануда. Что ты собираешься с ним делать?

I'm not doing it.

I don't care how oopular this game is, I'm not doing it. / Мне не важно, насколько эта игра популярна, я не собираюсь это делать.

I'm not going to die.

Where do you think you're going?

I'm not going to shoot anybody.

What are you going to do on the weekend?

I really didn't want to have to do this.

именно это я собираюсь сделать перевод на английский

That's exactly what I'm going to do.

они собираются пожениться перевод на английский

They are going to be married soon.

They are going to get married soon.

я собирался перекусить перевод на английский

I was going to grab a bite.