Let us beware of her dangers and be careful. The public is warned to "Beware the Dog Killer" who is murdering pets. So beware when they want to make you vice president. "Caveat lector" is Latin for "let the reader beware". He exhorts it to beware of fresh perils and keep safely in harbor. Allah advises you to beware of Him. I forgot to mention&colon; beware of HitchHiking Ghosts! Therefore, beware of such worship! If you do not, then beware of a war with Allah and His Messenger! She warns Pelias to beware "of a man wearing one sandal". This is part of the basis for the idiom buyer beware. The early working titles for the drama were "Beware This Woman" and "Suspicious Romance". First, they conjure an armoured head, which tells him to beware of Macduff (IV.i.72). The first advises him to beware of Macduff. It has been paraphrased in English as the proverb "Beware of Greeks bearing gifts".