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Showing 24 of 3,697 lessons.

Key out

If you key out a plant, you identify it by using binary choices like whether it has needle leaves or doesn't

“They KEYED OUT some new plants in the rain forest.”

Key to

Plan things to fit or suit people or situations

“Promotions are KEYED TO people's abilities.”

Key up

Make someone excited or nervous

“The noise got us KEYED UP.”

Kick about

Discuss

“We KICKED the idea ABOUT at the meeting.”

Kick around

Discuss

“We KICKED the idea AROUND.”

Kick around with

Spend time with

“I used to KICK AROUND WITH them, but haven't seen them for a while.”

Kick back

Pay someone illegally as part of the price

“I had to KICK ten percent BACK to the government official to get the contract.”

Kick down

Break something with your feet

“The police KICKED the door DOWN.”

Kick in

When a drug starts to take effect

“Her hayfever didn't feel half as bad once the antihistamines had KICKED IN.”

Kick off

Start a game of football

“The match KICKS OFF at three o'clock.”

Kick out

Expel

“The family KICKED the au pair OUT when they found out that she was planning to move to work for another household.”

Kick up

Cause trouble or pain

“My back KICKS UP when it gets cold.”

Kill off

Reduce or exterminate a population by hunting, pollution, development, etc.

“There used to be a lot of wolves around here, but most of them have been KILLED OFF.”

Kip down

Sleep away from your home, often without planning to

“It's too late to get the train, so can I KIP DOWN here tonight?”

Kip down on

Sleep on something other than a bed

“There were so many of us that we had to KIP DOWN ON the floor.”

Kiss off

Used to tell someone to go away

“He was bugging us, so we told him to KISS OFF.”

Kiss up to

Try to get into someone's favour

“He's a creep and is always KISSING UP TO the director.”

Knock about

Beat someone

“He KNOCKED his brother ABOUT after they argued.”

Knock around

Discuss casually

“We KNOCKED the idea AROUND a bit, but decided not to bother.”

Knock back

Cost someone a lot of money

“Your holiday must have KNOCKED you BACK a bit.”

Knock down

Demolish

“They KNOCKED DOWN the old church and built a block of flats in its place.”

Knock it off!

Stop doing something annoying

“The were making too much noise, so I told them to KNOCK IT OFF.”

Knock off

Finish work for the day

“We KNOCKED OFF early on Friday to avoid the rush hour queues.”

Knock out

Hit and make somebody unconscious

“The reigning middleweight champion KNOCKED OUT the challenger in the fourth round of the fight.”