"I can't believe you're always interrupting me. There you go again !"

You can say that again.

She stood up against the injustice.

The jury decided against the defendant and found him guilty.

They were working against the clock to finish the project on time.

She always rails against the government's decisions, but never offers constructive alternatives.

I would advise against eating too much junk food.

I will stand against any form of discrimination.

The international community condemns any crime against humanity.

I didn't expect to run up against so many obstacles during the project.