1rush hour
2rush job
3sales rack
4save a place
5save money
6save one's breath
7save your explanation
8school newspaper
9school supplies
1science museum
2scrape off
3scratch the surface
4second hand
5second thoughts
6second to none
7security office
8see a doctor
9see off
10see to
11sell out
1send a fax
2send out
3send sb. to do sth.
4set a record
5set one's watch
6set out for
7set up(appointment)
8settle down
9shake all over
10share the expense
11shave off
12shopping center
13shopping mall
14short handed
15should know better than to do