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off and on
01
时断时续
in a way that is not continuous or regular
What is the origin of the idiom "off and on" and when to use it?
The idiom "off and on" likely originated from the concept of something being turned on or off non-stop, such as a switch or a light. It conveys the idea of sporadic or irregular occurrences, much like the constant activation and deactivation of a switch. This phrase is commonly used in conversations and written language to express the irregular nature of something, highlighting periods of activity followed by periods of inactivity or absence.
例子
The weather forecast predicts rain off and on throughout the weekend.
The internet connection at my house works off and on, causing occasional disruptions.
They plan to travel off and on over the next year, taking breaks between trips.
They meet up for coffee off and on, whenever their schedules align.
To resolve the error message, he reset the printer by powering it off and on again.
