take something lying down
take (something) lying down
To accept or endure something without struggle, resistance, or opposition. (Often used in negative constructions.) You'll never be respected around here if you keep taking these taunts lying down. I will not take this lying down! You can expect to hear from my attorney.
take something lying downaccept an insult or injury without attempting retaliation.
1989 Shimmer Chinodya Harvest of Thorns She's boasting in front of me, laughing at me for being weak. Today she'll know I'm not going to take it lying down any longer.