"game on" in Chinese (Simplified)
开始了比赛开始了开战
Definition
一个非正式表达，用来表示比赛、挑战开始，或者某人准备认真对待某事。
Usage Notes (Chinese (Simplified))
非常口语，多用于体育、电子游戏和朋友间的竞赛。经常带有激励或认真应对的语气。不可用于正式场合。
Examples
When both teams are ready, someone shouts, "Game on!"
当两队都准备好时，有人喊：“**开始了**！”
The competition starts now—game on!
比赛现在开始——**比赛开始了**！
Are you ready? Okay, game on!
你准备好了吗？好，**开始了**！
He smiled at the challenge and said, "Game on."
他面对挑战微笑说：“**开战**。”
As soon as I saw her set up the board, I knew it was game on.
我一看到她摆好棋盘，就知道**开始了**。
We've practiced enough—now it's game on for real.
我们已经练习够多——现在真的**开战**了。