hold end up
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hold one's end up
to carry one's share of the burden; to do one's share of the work. You're not holding your end up. We're having to do your share of the work. Get busy. You have to hold up your end.
hold/keep your end up(British informal)
to do what you are expected to do After my maternity leave, I made sure I kept my end up at work. I didn't want to give my boss an excuse to complain about working mothers.