now and again/then

(every) now and again

Occasionally; sometimes. I don't travel often, but every now and again I just need to get away from the city. My mom has sweets now and again but mostly eats only healthy foods.
See also: again, and, now

(every) now and then

Occasionally; sometimes. Josh does stop by the store every now and then, but I haven't seen him lately. I don't eat a lot of sweets, but every now and then I just need a piece of chocolate cake.
See also: and, now
Farlex Dictionary of Idioms.

(every) now and then

 and (every) now and again; (every) once in a while
occasionally; infrequently. We eat lamb every now and then. We eat pork now and then. I read a novel every now and again.
See also: and, now

now and then

sometimes; occasionally. (See also (every) now and then.) I like to go to a movie now and then. We visit my parents now and then, but we rarely see our other relatives.
See also: and, now
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

now and again

Also, now and then. See every now and then.
See also: again, and, now
The American Heritage® Dictionary of Idioms by Christine Ammer.

(every) now and aˈgain/ˈthen

occasionally: We see each other every now and again. She sat by the window, looking out now and then to see if they were coming. ‘How often do you go to the theatre?’ ‘Now and then. Not often.’ OPPOSITE: all the time (2)
See also: again, and, now
Farlex Partner Idioms Dictionary
See also:
  • (every) now and again
  • every now and
  • now and
  • now and again
  • once and again
  • we must do this again (sometime)
  • over and over
  • over and over (again)
  • Let's do this again
  • let's do this again (sometime)