[from time to time] {adv. phr.}
Not often; not regularly; sometimes; occasionally; at one time and then again at another time.
* /Even though the Smiths have moved, we still see them from time to time./* /Mother tries new recipes from time to time, but the children never like them./
Syn.: NOW AND THEN, AT TIMES, ONCE IN A WHILE.
Compare: BY FITS AND STARTS, OFF AND ON.