set to

to set to - begin working with energy and enthusiasm

setback

a delay in plans or progress

settle in

settle in - get used to a new place, job etc.

sew up

something is completed in a favourable way

shabby

shabby - not neat, wearing clothes that are old or not in good condition

shake-up

make changes to improve effectiveness

sham

something which is not what it seems - a deception

shanks's pony

shanks's pony - on foot

shape up

to become prepared for something

shed

to cut the workforce