Word/Phrase: por eso
Translation: that's why
Pronunciation: poɾ ˈeso
I didn't go to the party - No fui a la fiesta.
She was late, and that's why we missed the bus - Ella llegó tarde, y por eso perdimos el autobús.
He didn't study, that's why he failed the exam - No estudió, por eso reprobó el examen.
It rained all week, that's why the event was canceled - Llovió toda la semana, por eso se canceló el evento.
They were tired, that's why they went to bed early - Estaban cansados, por eso se fueron a la cama temprano.