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beware the ides of March

A phrase used to foreshadow something bad. "Ides" refers to the 15th day of the month. In the Shakespeare play Julius Caesar, a prophet tells Caesar to "beware the ides of March"—and Caesar is subsequently killed on that day. You have History next period? Well, beware the ides of March—Mr. Smith is in a bad mood today and gave us extra homework.
See also: beware, march, of

beware of (someone or something)

Be cautious or mindful of something or someone, especially something or someone that might pose a danger of some kind. Beware of the boss today—he's been yelling at everyone he sees. Beware of their dog, he's vicious!
See also: beware, of

beware of Greeks bearing gifts

Be skeptical of a present or kindness from an enemy. The phrase refers to the Trojan horse, a gift to the Trojans from which Greek soldiers emerged and conquered Troy. A: "I can't believe the opposing team made us cupcakes before the big game!" B: "Yeah, I'd beware of Greeks bearing gifts if I were you."
See also: bearing, beware, gift, Greek, of

(let the) buyer beware

It is the buyer's responsibility to be sure that they are not being cheated or overcharged. In no place is the adage "buyer beware" truer than when buying something off an online classifieds ad. It's no one's fault but your own if you paid good money for a dud of a car. Let the buyer beware.
See also: beware, buyer

Beware of Greeks bearing gifts.

Prov. Do not trust an opponent who offers to do something nice for you. (A line from the story of the Trojan horse, as told in Vergil's Aeneid.) Jill: I can't believe Melanie brought me cookies today, when we've been fighting for weeks. Jane: Beware of Greeks bearing gifts. She probably has ulterior motives. When the rival company invited all his employees to a Christmas party, Tom's first impulse was to beware of Greeks bearing gifts, but then he upbraided himself for being paranoid.
See also: bearing, beware, gift, Greek, of

beware of someone or something

to be cautious and watchful about someone or something. Beware of Ted. He's acting irrational. You should beware of the dog.
See also: beware, of

Let the buyer beware.

Prov. Cliché When you buy something, you must take precautions against being cheated, because you cannot trust merchants to be honest about what they sell. Let the buyer beware when shopping for a used car. Several of the lamps among those Max offered for sale were broken. "If a customer isn't smart enough to try a lamp before he buys it, that's his problem," Max argued. "Let the buyer beware."
See also: beware, buyer, let

beware (or fear) the Greeks bearing gifts

if rivals or enemies show apparent generosity or kindness, you should be suspicious of their motives. proverb
This proverb refers to the Trojan priest Laocoon's warning in Virgil 's Aeneid: ‘timeo Danaos et dona ferentes ’, in which he warns his countrymen against taking into their city the gigantic wooden horse that the Greeks have left behind on their apparent departure. The fall of Troy results from their failure to heed this warning.
See also: bearing, beware, gift, Greek

Greeks bearing gifts, beware of/like

Do not trust enemies who pretend to be friends. The term refers to the treachery of the Greeks during the Trojan Wars, when they entered the city of Troy bearing the “gift” of a large wooden horse that was actually filled with soldiers who then burned down the city.
See also: bearing, beware, Greek, like, of
References in periodicals archive ?
Elliott said: "Buyer Beware has plenty weight but the better the ground, the better the chance he would have.
Bought by his current owner Tim O'Driscoll for [euro]35,000 at Goffs November Sales, Buyer Beware has moved stable, is sure to be well-schooled and, with Roger Loughran in the saddle, makes plenty of appeal.
Beware the marketing consultant who thinks all your ideas are good.
Bogus Caller Beware leaflets will also be available in local libraries, shops and community centres.
Ljuljzim Xhemaili, deputy director of Customs appeals to citizens to beware of manipulators that want to profit from badly-informed citizens.
Summary: Iran's Supreme Leader Ayatollah Seyed Ali Khamenei on Monday warned against enemies' conspiracy to disunite the Iranian nation and noted all should beware not to let the enemies materialize their schemes.
As Westerners, we are enchanted by the people of Bahrain but beware, there are bad apples here too.
Byline: Passengers should be beware that fighting for a seat mid-flight can leave you stranded - far from your destination.
At the risk of over-extrapolation, there's probably something in this that applies to all the environment and energy debates: beware of panaceas, beware of magic bullets, beware of bandwagons.
Peview: Women Beware Women Sherman Theatre, Cardiff
Beware Of The Dog is a cheeky rework of Depeche Mode's Personal Jesus, and is not very Jamelia-like.
They also warned 180 other students to beware and stop slacking off.
In the future, beware of inviting unwanted attention.
Before leaving office, President Dwight Eisenhower warned Americans to beware of the emergence of a very powerful military-industrial complex--something that wouldn't bode well for our future.
Although pulling together a data file including both admissions and financial aid information may not be easy if you have never analyzed financial aid strategies before, beware of any consultant who doesn't ask for one.