楽勝だよ。

楽勝だよ。

It's a piece of cake.

楽勝(らくしょう)だよ。

Rakushō da yo.

楽勝 (らくしょう)

easy victory

だ (だ)

be; is; indicates past or completed action; indicates light imperative

よ (よ)

indicates certainty, emphasis, contempt, request, etc.; used when calling out to someone; used to catch one's breath or get someone's attention; yo!

Readings: ガク、ラク、ゴウ、たの.しい、たの.しむ、この.む

Meanings: music, comfort, ease

Readings: ショウ、か.つ、 -が.ち、まさ.る、すぐ.れる、かつ

Meanings: victory, win, prevail, excel