転倒 てんとうする
kiga tentō suru

Suru Verb
Expression

1. to lose one's presence of mind; to lose one's head; to be thrown off balance; to get upset; to be bewildered; to be flustered

ちち急死 きゅうし らせを いて、私 わたくし 転倒 てんとうしてしまった。
chichino kyūshino shiraseo kiite watashiwa kiga tentō shite shimatta
I was beside myself when I heard the news of my father's sudden death.