What does "run down" mean?

To decline or deteriorate Used for buildings, areas, or systems that have become neglected.

How do you use "run down" in a sentence?

The neighbourhood has really run down. The factory was allowed to run down. He's run himself down working too hard.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Meaning: To decline or deteriorate

衰落，荒废

Deteriorarse, decaer

衰退する、荒廃する

쇠퇴하다, 황폐해지다

Used for buildings, areas, or systems that have become neglected.

用于被忽视的建筑、地区或系统。

Se usa para edificios, zonas o sistemas que han sido descuidados.

放置された建物、地域、システムに使われます。

방치된 건물, 지역 또는 시스템에 사용된다.

Base verb: run

Particle: down

Separable: No — the verb and particle stay together

The neighbourhood has really run down.
这个街区真的衰败了
El barrio se ha deteriorado mucho
その地域は本当に荒廃した
그 동네는 정말 황폐해졌다.
The factory was allowed to run down.
工厂被放任荒废
Dejaron que la fábrica se deteriorara
工場は放置されて荒廃した
공장은 방치되어 황폐해졌다.
He's run himself down working too hard.
他工作太辛苦把自己累垮了
Se ha agotado trabajando demasiado
彼は働きすぎで疲弊した
그는 과로로 기력이 쇠했다.

Context: decline, neglect, exhaustion

Tone: concerned

From a clock mechanism running down and stopping.

Era: Modern

Generation: All ages

Social background: Universal