用法:
1 [C, U] the first day of the week (coming before Monday), a day of rest and worship for Christians 星期日; 星期天; （基督教徒的）礼拜日.

用法:
2 [C usu pl 通常作复数] newspaper published on a Sunday 每逢星期日出版的报纸; 星期日刊.

用法:
3 (idm 习语) for/in a month of Sundays => month. one's Sunday `best (infml joc 口, 谑) one's best clothes （自己的衣服中）最好的衣服:
Go to the party in your Sunday best. 穿上你最好的衣服去参加聚会.

• show sb the door(show sb to the door)
• show the flag(show the white flag)
• shrunk(shrunken)
• shut one's mouth(stop one's mouth)
• sick(sickly)
• sign(signal)
• since(now that)
• since(so)
• singly(in group)
• sit at a desk(sit at a table)
• sleep(be asleep)
• sleep(fall asleep)
• sleep(go to bed)
• slightly(in the slightest)
• slow down(slow up)
• slow(slowly)
• so as to do sth(so … as to do sth)
• so as to do sth(such as to do sth)
• so far(so far as)
• so he does(so does he)
• so that(so … that)
• so you have(so has he)
• so … that(such … that)
• so(so that)
• so(such)