a person who is experienced in or familiar with a subject, area, procedure, etc.: The guide you just hired is an old hand at leading safaris.
[ 1775-85 ]
a person who is experienced in or familiar with a subject, area, procedure, etc.: The guide you just hired is an old hand at leading safaris.
[ 1775-85 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012