星期四英語：Thursday。它可以作為名詞，意為“星期四”，它也可以作為副詞，意為“在星期四”。
on?Thursday?在星期四；於星期四
every?Thursday?每周四the?following?Thursday?下壹個星期四
a?fortnight?on?Thursday?兩周後的星期四
the?Thursday?before?last?上上個星期四
the?Thursday?after?next?下下個星期四
例句
1、委員會將在下星期四上午11:30開會。
The?committee?will?convene?at?11.30?next?Thursday.?
2、警方拘留了兩名與上星期四的銀行搶劫案有關的男子。
Police?are?holding?two?men?in?connection?with?last?Thursday's?bank?raid.?
3、這商店每星期四都會開到很晚。
The?store?stays?open?until?late?on?Thursdays.?
4、我星期四去了巴黎，第二周的星期壹就回來了。
I?went?to?Paris?on?Thursday,?and?came?back?the?following?Monday.?
5、我們下星期四見。
I'll?see?you?Thursday?week.