⠀ IN THE BLINK OF AN EYE Something that happens in the blink of an eye, happens extremely quickly: I don’t recall many details of the crash – it all happened in the blink of an eye. MAKE UP FOR THE LOST TIME If you do something enjoyable a lot because you haven’t had the opportunity to do it before, you might say you are making up for lost time: He didn’t get the chance to travel much when he was younger but he’s certainly making up for lost time now! ⠀ AT THE CRACK OF DAWN When you do something extremely early in the morning, you can say you do it at the crack of dawn: She’s up at the crack of dawn, feeding the chickens. AROUND / ROUND THE CLOCK If something is done around / round the clock, it is done all day and all night, without stopping: Emergency services worked around the clock to rescue stranded residents. This phrase is also used adjectivally: He’s sick and needs round-the-clock care. From Dictionaryblog.cambridge.org #advanced english #extensive reading #english #engli