try someone back

try back

To attempt to visit or contact some person or location following a failed previous attempt. A noun or pronoun can be used between "try" and "back," but only when referring to a phone call. Professor Smith has actually gone home for the day, but you can try back again tomorrow. No message, I'll just try him back later.
See also: back, try

try someone back

verb
See also: back, someone, try