- the day of the week before Saturday and following Thursday星期五：
he was arrested on Friday
他在星期五被捕
the cleaning woman came on Fridays
清洁房间的女工每星期五来
as modifier Friday evening.星期五晚上。
1
- on Friday在星期五：
we'll try again Friday.
我们周五将再试一次。
1.1
Fridays
on Fridays; each Friday每星期五：he goes there Fridays.
他每周五都去那里。
词源
Old English Frīgedæg, named after the Germanic goddess FRIGGA; translation of late Latin Veneris dies 'day of the planet Venus'; compare with Dutch vrijdag and German Freitag.