zakłócić po angielsku:

to disrupt meeting / conversation / plans

They tried, in fact, to disrupt a national ceremony using violence.

I feel a lot better now, but I know Dad's going to be real upset.

Information is sometimes held back from patients when it is thought it might upset them.

It is unlikely that such a cool headed person got upset.

To have more than one problem before him at one time makes him irritable, upset and exasperated.

upset sb

Your son is very upset. / I'm sorry. I didn't mean to upset you. / I didn't tell you this to upset you. / I think it might upset some of my patients. / The last thing I wanted to do is upset anyone.

Growing centrist sentiment threatens to upset America's traditional two-party system.

The office has been topsy-turvy since the merger upset everything.

Sometimes being overcautious in planning could upset the apple cart.

This morning I had a bit of a disagreement with my wife. I didn't think it was a big deal, but seeing what she's like this evening I think I must have upset her.

His untimely statement has not only let the cat out of the bag but also upset the apple cart for the peace move.

if there is an upset in the process, the system is robust enough

get upset = zezłościć się, be upset=być zdenerowanym

Ichiro sounded somehow upset but my long years of hanging out with him told me that it was out and out fake.