Definition
彻夜不眠 is a literary four-character expression meaning 'to be unable to sleep all night.' It is often used to describe staying up the entire night due to worry, excitement, or intense work, not simply a medical condition. The phrase is formal and appears in writing or speech to emphasize a sleepless night spent on a specific activity or emotional state.
f.e.
to be sleepless all nightto stay up all night (due to worry, work, or excitement)
Examples
- ，彻夜不眠。Wèile wánchéng fāng'àn, tā chè yè bù mián de gōngzuò le yì zhěng yè.He worked the whole night without sleep to finish the plan.
- ，彻夜不眠。Tīng dào zhège hǎo xiāoxi, tā jīdòng de chè yè bù mián.She was so excited by the good news that she couldn't sleep all night.
- ，彻夜不眠。Háizi shēngbìng shí, mǔqīn chángcháng chè yè bù mián de zhàogù.When a child is sick, the mother often stays up all night caring for them.
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