From Longman Dictionary of Contemporary Englishan extra pair of handsan extra pair of handssomeone who helps you do something when you are busy Having an extra pair of hands during busy periods can take the pressure off. → pair
Examples from the Corpus
an extra pair of hands• We could visit a theatre, and there would be an extra pair of hands in the garden.• The clinical teacher should be part of the ward team, but must resist becoming an extra pair of hands.• But an extra pair of hands is still needed, especially during busy periods. 