を祝う

to celebrate

→ を
phrase Uncommon #15,794
to celebrate The particle を marks what is being celebrated. The verb 祝う means “to celebrate.”
JA: 彼らはプレゼントでクリスマスを祝う。
EN: They celebrate Christmas with presents.

新生活を祝うストリップを披露します

I’ll perform a striptease to celebrate your new life.

— 甘い生活 (1960)

彼らはプレゼントでクリスマスを祝う。

They celebrate Christmas by exchanging gifts.

こいつの完成を祝うパーティーだったんだよ

It was a party to celebrate this thing being finished.

— 魔女の宅急便 (1989)