|the inside track
||being close to the person who has power, Bob's your uncle
||If your uncle works at Sears, you should have the inside track on the new job in Men's Wear.
|the jig's up
||we know what you do, we know your secret
||The jig's up, ladies. We know why you buy those vibrators.
||the toilet, the biffy, the can
||Where's the john? I have to wash my hands.
|the joke is on you
||you are the one we are laughing at, play a joke
||You got the book with blank pages. The joke's on you!
|the key to success
||the most important factor, best way to succeed
||He said the key to success in business is customer service.
|the knock against
||his worst fault, his main problem
||Phil is a great teacher. The only knock against him is his temper.
|the lap of luxury
||a lifestyle that includes the finest house etc.
||Flo married a rich realtor and now lives in the lap of luxury.
|the last of it
||the end of it, no more of it
||We've had a week of -40 weather. I hope we've seen the last of it.
|the last straw
||one too many problems, the one that ruins it
||The break-in was the last straw. We decided to move.
|the last word
||the most informed statement, the most knowledge
||The last word in media is Marshall McLuhan (1911-1980).
His ideas are still quoted, still respected.