What does "pile up" mean?

For problems to accumulate For issues to increase to an overwhelming amount.

How do you use "pile up" in a sentence?

Work keeps piling up. The bills piled up while I was ill. Don't let problems pile up.

Phrasal Verb BritishAmericanAustralian ★★★★★ Very Common Neutral

Meaning: For problems to accumulate

（问题）堆积如山

Acumularse (problemas)

（問題が）山積みになる、積み重なる

(문제가) 산더미처럼 쌓이다

For issues to increase to an overwhelming amount.

问题增加到令人难以承受的程度。

Cuando los problemas aumentan hasta un nivel abrumador.

問題が圧倒的な量に増えること。

문제가 감당할 수 없을 만큼 늘어나다.

Base verb: pile

Particle: up

Separable: No — the verb and particle stay together

Work keeps piling up.
工作不断堆积
El trabajo sigue acumulándose
仕事がどんどん溜まっている
일이 계속 쌓이고 있다.
The bills piled up while I was ill.
我生病期间账单堆积如山
Las facturas se acumularon mientras estaba enfermo
病気の間に請求書が溜まった
아픈 동안 청구서가 밀렸다.
Don't let problems pile up.
不要让问题堆积
No dejéis que los problemas se acumulen
問題を山積みにしないで
문제를 산더미처럼 쌓이게 하지 마.

Context: accumulation, overwhelming, work

Tone: stressed

From items stacking in a pile.

Era: Modern

Generation: All ages

Social background: Universal