bring down	to cause a failure
close down	to stop functioning
cut down on sth	to reduce
get down	to make depressed
go down	to sink
hold down	to keep
let down	to disappoint
play down	to minimize the importance
pour down	to rain heavily
pull down	to knock down
put down	to suppress
run down	to criticise
settle down	to find a place to live
stand down	to disagree/ to resign
take down	to make notes
turn down	to decline