do not lose sleep over it
英
美
不必担心;不因某事而睡不着觉
do not lose sleep over it的用法和样例:
例句
It's a pity that you didn't pass the exam, but I shan't lose any sleep over it, there are more important things to do.
你没考及格真遗憾,不过,我不会为此担心,还有更重要的事情要做呢。
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