be in (someone's) bad books
To have fallen out of favor with someone due to having offended or mistreated them. I don't think I'll come to the party on Saturday because I'm in Jenny's bad books at the moment. John's been in the boss's bad books ever since he managed to drive away the firm's most lucrative client. Well, I stole his idea for the project—that's why I'm in his bad books.
get into (someone's) bad books
To fall out of favor with someone due to offending or mistreating them. I must have gotten into Jenny's bad books because I wasn't invited to her party on Saturday. John got into the boss's bad books when he managed to drive away the firm's most lucrative client. Well, I stole his idea for the project—that's how I got into his bad books.
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