beef up

to make something stronger or more powerful
http://dlvr.it/RylPCy

step up

to increase the level or strength of something
http://dlvr.it/RygQdn

turn off

to stop a machine or an appliance from working by using a button or a switch
http://dlvr.it/RybRlp

turn into

to change from one thing into another
http://dlvr.it/RyWZk6

bring back (1)

to bring something with you when you return from somewhere
http://dlvr.it/RyRnmh

end up

If you end up being somewhere, or doing something, it's because of decisions you've made in the past.
http://dlvr.it/RyNvg2

die off

If a group of people, animals, or plants dies off, all of them die over a period of time and none are left.
http://dlvr.it/RyL576

cut out (1)

to remove an area of paper or cloth from a larger sheet by cutting
http://dlvr.it/RyGMTd

dry up

If something like water or oil dries up, or its source dries up, it means it's all gone and there is none left.
http://dlvr.it/RyBN6j

crack down

to start enforcing a law or a rule more strictly
http://dlvr.it/Ry6MTM

get together

to meet and spend time together
http://dlvr.it/Ry2LPF

clean out (1)

to clean the inside of something
http://dlvr.it/RxySgs

put on (1)

to start wearing an item of clothing, a pair of shoes, a piece of jewellery, a pair of glasses, etc.
http://dlvr.it/RxvYRW

vie for

If you vie for something, you compete with others to get it.
http://dlvr.it/Rxrljy

drop off (3)

to become fewer in number or less in amount or intensity
http://dlvr.it/RxnBTn

go with

If one thing goes with another, they look good together or seems to work well together.
http://dlvr.it/RxjHZ8

kick in

If something kicks in, it starts to work or it starts to have an effect.
http://dlvr.it/RxdCP7

take out (1)

If you take somebody out, you invite them to go out with you, usually for a meal or entertainment.
http://dlvr.it/RxYC5N

do with (1)

to put something somewhere
http://dlvr.it/RxTM24

let out (2)

to make a particular sound or noise
http://dlvr.it/RxQSZ8

keep to

If you keep to something like a limit, a budget or a schedule, you don't go over it or outside it.
http://dlvr.it/RxJLS4

brush up

to revise your knowledge of something that you learned in the past
http://dlvr.it/RxDdKT

cross off

to remove a name or an item from a list by drawing a line through it
http://dlvr.it/Rx8n7s

iron out

If you iron out the last details of a deal, you sort out the final problems or issues.
http://dlvr.it/Rx53fR

read out

if you read something out, you read it aloud so everyone can hear it.
http://dlvr.it/Rx1d1r

fall for (1)

If you fall for something like a trick or a scam, you believe it's real or genuine even though it's not.
http://dlvr.it/Rwz1D0

think back

to think about a past event or a past time
http://dlvr.it/RwwRMd

shut out (2)

to stop yourself thinking about or feeling something that upsets you or hurts you
http://dlvr.it/RwsKXq

come into

to be given something after its owner dies
http://dlvr.it/RwnlC7