not lose sleep over something
成語所屬單字sleep
not lose sleep over something — 慣用語
1. to not let a problem or worry disturb your rest; to not be overly concerned abou
1.慣用語
釋義
不為某事失眠；不把某事放在心上
to not let a problem or worry disturb your rest; to not be overly concerned about something.
例句
It is just a small mistake in the report — do not lose sleep over it.
Marco was angry about the criticism, but he did not lose sleep over it.