lend a hand with

lend someone a hand with something

Fig. to help someone with something. (This need not involve "hands.") Could you please lend us a hand with this? Can I lend you a hand with that?
See also: hand, lend
References in classic literature ?
Again I ordered the shrimp-catchers to lend a hand with the buckets.
The Ghost swung around into the wind, and I finished my work forward in time to run aft and lend a hand with the mainsheet.