토요일과 일요일을 제외한 평일의 밤.
Any night of the week from Monday through Friday, typically excluding the weekend.
예문:
"I usually try to get to bed early on a weeknight so I can be productive the next day."
"The restaurant offers a special discount menu for those dining on a weeknight."
"Watching a movie is my favorite way to relax on a quiet weeknight."