やっと帰ってきたぞ！

やっと帰ってきたぞ！

At last, we were home!

やっと帰(かえ)ってきたぞ！

Yatto kaettekita zo!

やっと (やっと)

at last; at length; barely; narrowly; just; by the skin of one's teeth

帰る (かえる)

to return; to come home; to go home; to go back; to leave; to get home; to get to home plate

ぜ (ぜ、ぞ)

(sentence end) adds force; indicates command

Readings: キ、かえ.る、かえ.す、おく.る、とつ.ぐ

Meanings: homecoming, arrive at, lead to, result in