k Idioms

IDIOM ►
Meaning 1
to keep one's head above water by swimming or treading water
Sentence 1
Keep your head above water if you fall out of the boat.
Meaning 2
to stay ahead in one's work
Sentence 2
I have to work ten hours a day to keep my head above water.
IDIOM ►
Meaning 1
to continue to throw the ball
Sentence 1
He kept pitching the ball even though he was injured.
Meaning 2
to continue to work on something
Sentence 2
Keep pitching. The boss will recognize your good work.
IDIOM ►
Meaning 1
to continue playing or rolling the ball (so your opponents cannot get it)
Sentence 1
Don't let the other team get the ball. Keep the ball rolling.
Meaning 2
to keep something going, to continue to work on something
Sentence 2
Jill, it's your responsibility to keep the ball rolling on the ads for our new account.

Derivation

to keep the croquet ball rolling so your opponent cannot get his turn

IDIOM ►
Meaning 1
A football game starts when one team kicks the ball to the other team.
Sentence 1
The Bears game against the Lions starts at 2:00. Be there for the kick off.
Meaning 2
to begin a long term project, a campaign
Sentence 2
The chairman kicked off the meeting with last year's result.
IDIOM ►
Meaning 1
to start a football game by kicking the ball to the opposing team
Sentence 1
The kick-off of the football game was promptly at 2:00.
Meaning 2
to start or begin a project
Sentence 2
The kick-off date for that project will be April first.
IDIOM ►
Meaning 1
to hit a ball out of the baseball park
Sentence 1
Babe Ruth knocked the ball out of Yankee Stadium.
Meaning 2
to have a great idea, to do something extremely well.
Sentence 2
The President knocked one out of the ballpark at the NATO meeting.
IDIOM ►
Meaning 1
to mark the exact place before shooting the marble or ball by putting one's knuckles at this spot.
Sentence 1
Please knuckle down before you shoot that marble.
Meaning 2
to work hard
Sentence 2
Knuckle down to work. You're talking too much.

Derivation

From the game of marbles: a player had to "knuckle down"by another player if he moved his marble before shooting it. The following are some interesting idioms which are probably related to cards and gambling, but it is difficult to be sure of the derivation.