be beside yourself

US /bi bɪˈsaɪd jərˈsɛlf/
UK /bi bɪˈsaɪd jərˈsɛlf/
"be beside yourself" picture
1.

tidak terkawal, sangat emosi

to be overwhelmed with a strong emotion, such as anger, grief, or excitement, to the point of losing control

:
She was beside herself with grief after losing her pet.
Dia sangat sedih setelah kehilangan haiwan peliharaannya.
He was beside himself with joy when he heard the good news.
Dia sangat gembira apabila mendengar berita baik itu.