upset

upset verb [ T ] uk/ʌpˈset/ uspresent participle upset ting | past tense and past participle upset upset verb [T]
(SPOIL)

to cause problems for something

расстраивать, нарушать
If I arrived later, would that upset your plans?  upset sb's stomach
to make someone feel sick in the stomach

вызывать расстройство желудка

UPSET noun

[ C ] uk/ˈʌpset/ us upset noun [C]
(PROBLEM)

a difficulty or problem

неприятность, затруднение
We had the usual upset s but overall the day went well.