Английский словарь американских идиом - 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.