listen to the pronunciation of beware!
Englisch - Türkisch

Alıcı dikkatli olsun. - Let the buyer beware.

Çok dikkat et! Gelen bir araba var! - Beware! There's a car coming!

{f} sakınmak

Yabancılardan sakınmak zorundasınız. - You have to beware of strangers.

dikkat etmek

Taklitlerinden sakının. - Beware of imitations.

Aşırı güvenden sakınmalısın. - You should beware of overconfidence.

çok dikkat etmek
(of ile) sakınmak
Dikkat! Sakm ha! Aman!
beware sakın

Yankesicilere dikkat edin. - Beware of pickpockets.

Burada yankesicilere dikkat edin. - Beware of pickpockets here.

gözünü açmak
Englisch - Englisch
{ü} be careful!, watch out!
To use caution, pay attention (to) (if intransitive, construed with of)

Beware the Ides of March.

If you tell someone to beware of a person or thing, you are warning them that the person or thing may harm them or be dangerous. Beware of being too impatient with others Beware, this recipe is not for slimmers. used to warn someone to be careful because something is dangerous beware of (be + ware (11-19 centuries) (from wAr))
{v} to be cautious, take care of, avoid
be on one's guard; be cautious or wary about; be alert to; "Beware of telephone salesmen"
To have a special regard; to heed
be on one's guard; be cautious or wary about; be alert to; "Beware of telephone salesmen
To avoid; to take care of; to have a care for
{f} be cautious, be watchful
To be on one's guard; to be cautious; to take care; commonly followed by of or lest before the thing that is to be avoided