Подбор синонимов:
beside3, Peter1, lost1, race1, anger1, himself1, news1, heard1, Mary1, oneself1, herself1, joy1, she1, good1- be beside oneself
быть в возбужденном, взволнованном состоянии Mary was beside herself with joy when she heard the good news. When Peter lost the race, he was beside himself with anger.