start fighting
我要是回去的话你不怕我跟我妹又打起来?
Aren’t you afraid that my sister and I will get into another fight if I go back?
— 热辣滚烫 (2024)
他们会打起来的
They’re going to fight.
— 莫斯科不相信眼泪 (1980)
外头打起来了
A fight has broken out outside.
— 黄飞鸿之一:壮志凌云 (1991)
打起来了
A fight has broken out.