正式开始

officially begin

→ 正式
phrase Rare #25,977
officially begin Used when an event, activity, or process officially starts. 正式 means “officially” and 开始 means “begin.”
CH: 会议现在正式开始。
EN: The meeting is now officially beginning.

正式开始

It’s about to officially begin.

— 未麻的部屋 (1998)

明天比赛正式开始

The competition will officially begin tomorrow.

— 摔跤吧!爸爸 (2016)

那么正式开始

Then let’s officially get started.

— 未麻的部屋 (1998)

比赛正式开始

The competition officially begins.

— 霍元甲 (2006)