pitched battle

详细解释:激战, 激烈的争论

英语解释：

名词 pitched battle:

a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place

例句：

Fifteen days of campaigning are left and the real pitched battle now begins.半个月的竞选日子已经过去，真刀实枪的艰苦战斗现在开始了。