pit someone/something against someone/something
phrasal verb with pit verb [ T ] uk/pɪt/ us/pɪt/ -tt-
使相斗；使竞争；使较量
to cause one person, group, or thing to fight against or be in competition with another
It was a bitter civil war, that pitted neighbour against neighbour. 那是一场可怕的内战，使人和人之间相互为敌。
The climbers pitted themselves against the mountain. 攀登者与大山一较高下。