Meaning:
about-face 
n.
act of pivoting 180 degrees, especially in a military formation
a major change in attitude or principle or point of view
v.
turn, usually 180 degrees
change one's mind and assume the opposite viewpoint
ace Idiom, Proverb
a bare-faced lie
a deliberate lie, a planned lie His statement to the police was false - a bare-faced lie.
a poker face
"a face with no expression; showing no emotion" Judge Brady has a poker face. He doesn't show his emotions.
ace
" make an ""A"" on a test, homework assignment, project, etc."
ace in the hole
a hidden strength or talent Sam's ace in the hole is honesty, which his clients soon discover.
an ace up your sleeve
an important card to play, an important fact to reveal To survive, one needs an ace up one's sleeve - a special talent.
at face value
the value shown by the surface, what you see At face value, this car appears to be in good condition.
at peace
feeling peaceful, without worry After talking about his problem he was at peace with himself.
away to the races
going without a problem, smooth sailing When they approve our business loan, we'll be away to the races.
bare-faced lie
(See a bare-faced lie)
between a rock and a hard place
in a difficult position, making a difficult choice, Sophie's choice If I told the truth, I would lose my friend. I was between a rock and a hard place.
blue in the face
weakened, tired after trying many times I called that dog until I'm blue in the face. He won't come in.
cut off your nose to spite your face
make your problem worse, hurt yourself because you dislike yourself If you abuse drugs to forget a problem, you are cutting off your nose to spite your face.
drag race
two cars racing from a stop light """Did you see the drag race?"" ""Ya. The Corvette won."""
egg on my face
embarrassed, outsmarted I made a deal with Jake and ended up with egg on my face.
face down
confront boldly and win, defy They decided to face down their competitors and were able to easily stay in business.
face facts
accept the truth, deal with reality, come to grips If we face facts, we can see that one salary is not enough.
face the music
accept the consequences of something He is going to have to face the music sooner or later.
face up
admit that you did it, own up If Karl caused the problem, he'll face up. He'll admit it.
face up to
accept something that is not easy to accept You must face up to the fact that you are never going to have enough money to buy that car.
face value
seeming value or truth of something He is a nice person but you must always take at face value what he says.
fall from grace
lose approval The politician fell from grace with the public over the money scandal.
fill your face
eat, put a lot food in your mouth, pig out Imagine yourself in a chocolate factory, filling your face!
fly in the face of
contradict, be opposite to These errors fly in the face of our reputation for accuracy.
get in my face
confront me, stand in front of me When I try to talk to Jodi, her boyfriend gets in my face.
get out of my face
go away, I am sick of you I didn't ask for your advice. Get out of my face!
go places
succeed, do well, make it big When Percy got his degree, we knew he was going places.
heart is in the right place
kindhearted, sympathetic or well-meaning Although she makes a lot of mistakes her heart is in the right place.
in her good graces
being liked by her, doing what she likes If you are in her good graces, you will be invited to her tea party.
in place
in the correct position or location, available Be sure to have the money in place before you buy a house.
in the first place
firstly, to begin with Of course I can
in your face
placed in front of you, right in front of you Every time I turn on the TV, that ad is in my face. I'm sick of it.
jumping-off place
the starting place of a long trip We gathered early in the morning at the jumping-off place for our trip to the mountains.
keep a straight face
not smile or laugh, have a a poker face When you said I was your uncle, I couldn't keep a straight face.
keep pace
go as fast, go at the same rate It was difficult to keep pace with the other students but somehow I managed.
learn your place
learn to know where and when to speak "When I was young, kids learned their place; they showed respect."
long face
a sad or disappointed look He had a long face after he was fired from his job.
lose face
be embarrassed or ashamed by an error or failure, lose dignity He lost face when his employees decided not to support him during the meeting.
make a face
wrinkle your face until it is ugly Chad made a face at me and stuck out his tongue.
make faces
(See make a face)
off to the races
moving quickly ahead, off to a good start When we get our business loan, we'll be off to the races.
out of place
in the wrong place or at the wrong time, improper What he said at the party was totally out of place. He should talk about it at another time.
peace of mind
freedom from worry or guilt If you want peace of mind, you should buy insurance.
pick up the pace
go a little faster, step on it We're walking rather slowly. Can we pick up the pace?
piss like a race horse
have to urinate, back teeth are floating I hope this mall has a washroom. I have to piss like a race horse.
place on a pedestal
(See on a pedestal)
poker face
(See a poker face)
pull a face
wrinkle your face, make a face Lyle is 14, but he's still a boy. He pulls a face when he's upset.
put him in his place
tell him he is wrong - that he is out of line Dwaine has insulted all of us. I hope Dad puts him in his place.
put someone in his or her place
scold someone for rude or bad behavior She was very angry and really put him in his place over the rude remark.
quit this place
leave, go away from here, blow this joint I'm bored. Let's quit this place. Let's get out of here.