How do you use "Rat" in a sentence?

He's a rat—can't be trusted. Don't rat on your friends. The rat talked to the cops.

Rat

An informer; a traitor. Someone who betrays others by informing. Universal and very negative term.

Slang Term AmericanBritishAustralian ★★★★★ Very Common Casual

Significado: An informer; a traitor.

告密者；叛徒

un chivato; un traidor

密告者、裏切り者

밀고자; 배신자

Someone who betrays others by informing. Universal and very negative term.

通过告密背叛他人的人。通用且非常负面的词。

Alguien que traiciona a otros delatando. Término universal y muy negativo.

密告して他人を裏切る人。普遍的で非常に否定的な用語。

밀고함으로써 동료를 배신하는 사람. 보편적이며 매우 부정적인 표현.

Significado literal: Rat (vermin, disloyal creature)

He's a rat—can't be trusted.
他是个叛徒——不能信任
Es una rata, no se puede confiar en él
彼は裏切り者だ—信用できない
그는 배신자야—믿을 수 없어.
Don't rat on your friends.
别出卖朋友
No delates a tus amigos
友達を売るな
친구를 팔지 마.
The rat talked to the cops.
那个告密者跟警察说了
La rata habló con la policía
その密告者は警察に話した
그 밀고자가 경찰한테 불었다.

/ræt/

Contexto: informer, traitor, betrayal

Tono: contemptuous, hostile

From the negative associations with rats.

Etimología: English slang

Primera vez registrado: Early 20th century

Era: Traditional to present

Generation: All ages

Social background: Universal

Pop culture: Gangster films; James Cagney 'you dirty rat'

Regional notes: Universal across English-speaking world.

RatRat outRattedDirty rat