ظروف الزمان والمكان - ظروف التردد المنخفض

not at any point in time

أبداً

on any occasion

يوماً ما

in a manner that almost does not occur or happen

نَادِرًا مَا

for one single time

مرة واحدة

for a single instance

مرة واحدة

for two instances

مرتين

on a very infrequent basis

نادرا

used to refer to something that happens rarely or infrequently

نادرا

on very rare occasions

نادرا

in an infrequent and unpredictable manner

بشكل متقطع

not on regular occasions

بشكل غير عادي

not on a regular basis

أحياناً

on irregular but not rare occasions

on occasions that are not regular or frequent

at moments that are not constant or regular

أحيانًا

at infrequent intervals

من حين لآخر

at irregular intervals

بين الحين والآخر