1)Black out
Meaning
Lose light.
Sentence
Everything BLACKED OUT when the power supply failed
2)Ahead Of (or Behind) The Curve-ahead of (or lagging behind) current thinking or trends-
He was ahead of the curve in the early 1960s when he started promoting running for health.
3)Beside The Point-tangential or insignificant to the main issue being discussed
-I do love the apartment, but that's beside the point because I don't have enough money for a security deposit right now.
4)Stoop To Conquer-to adopt a role, position, attitude, behavior, undertaking, etc., that is seen as being beneath one's abilities or social position in order to achieve one's end-
Many politicians have started taking advantage of more popular, mainstream entertainment platforms because the only way they can be in public limelight is if they stoop to conquer.
5)Bear The Palm-to win-
I heard that you might bear the palm at the science fair! Congratulations, it would be a well-deserved victory.
6)Promise The Moon-to promise one something that cannot be done-
Your clients will come to distrust you if you keep promising them the moon.
7)Beer Muscles-an inflated notion of one's strength, ego, or bravado due to excess consumption of alcohol-
When he drinks, Jeff always gets beer muscles and wants to fight every guy in the bar.
8)Faustian Bargain-an agreement, bargain, or deal in which a person sacrifices or abandons moral, ethical, or spiritual values in favor of wealth, power, or other benefits-
She struck a Faustian bargain with the competitors, selling her own company's secrets for shares in each of their companies.
9)Song And Dance-a long and complicated statement or story, sometimes one that is not true-
She gave me some song and dance about how busy she is and thus cannot meet me.
10)In A Bad Light-negatively, under unfavorable circumstances-
The once-beloved mayor has been seen in a bad light ever since news of his tax-evasion scandal came to public attention.
