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(zhēng)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，因爲(wèi)己方誤傷而導(dǎo)致死亡的人數(shù)直線上陞。
比較
friendly fire 返回 blue-on-blue