blue-on-blue

劍橋詞典

relating to an attack in which soldiers , etc. are injured or killed by their own army or by soldiers on the same side as them
（戰(zhàn)爭中）誤傷己方的
The number of blue-on-blue deaths has risen steadily during the present campaign . 在正在進(jìn)行的戰(zhàn)役中，因?yàn)榧悍秸`傷而導(dǎo)致死亡的人數(shù)直線上升。
比較
friendly fire 返回 blue-on-blue