If you describe a person as ~, you mean that they are frustrated or angry because of something that is happening or something that another person is doing.
The president was clearly ~ by the whole saga...
ADJ: oft ADJ by/with/at n
If you describe a person as ~, you mean that they are frustrated or angry because of something that is happening or something that another person is doing.
The president was clearly ~ by the whole saga...
ADJ: oft ADJ by/with/at n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012