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Related to take lumps: take one's lumps
take (one's) lumps
To persevere despite challenges. I know that I have to take my lumps as an intern to earn the other employees' trust and move up the corporate ladder.
take one's lumps
Inf. to accept the result or punishment one deserves. (See also get one's lumps.) You've got to learn to take your lumps if you're going to be in politics. I hate taking my lumps. I'd rather pretend nothing had happened.