زمان - Frequency

in way that continues to happen all the time with no stop

بیست‌وچهار‌ساعته, بی‌وقفه

at any given hour, particularly a time that is late

همه‌ساعته, در تمام ساعات

used for referring to a frequent change from something to another

روزبه‌روز

nearly all the time

اکثر مواقع, بیشتر اوقات

in a way that is not continuous or regular

شل‌کن‌سفت‌کن, نامتناوب

used for saying that something can only happen on very rare occasions

هر صد‌سال‌یک‌بار, دری به تخته بخورد که...، چی بشود که...

used for referring to a very special opportunity that most likely will not be offered more than once to someone

(فرصت) تکرارنشدنی, (فرصت) استثنائی

in a single action, without delay or hesitation

یک‌مرتبه

in a manner that is consistent

بیست‌وچهار‌ساعته

on multiple occasions

مکررا

used to describe something that happens at fixed intervals or follows a consistent pattern without fail

سروقت