历时 lìshí to last
to last; to take (time); period; diachronic
How to remember 历时: 历 experience + 时 time = to last.
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How it is used
- 'To last / take (a span of time)' - 历时三年 (lìshí sān nián) lasting three years, 谈判历时两个月 the talks went on for two months.
- States the total duration an event spanned; a compact, slightly formal way to give elapsed time for a process.