keep end up

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keep one's end up

1. Lit. to hold one's end of a load so that the load is level. Be sure to keep your end up while we go up the stairs. Try to keep up your end.
2. . Fig. to carry through on one's part of a bargain. You have to keep your end up like the rest of us. Don't worry, I'll keep up my end.
See also: end, keep, up