What does "pile up" mean?

To accumulate in large amounts Usually implies an uncontrolled or problematic accumulation.

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

Work is piling up. The bills are piling up. Snow piled up overnight.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Meaning: To accumulate in large amounts

堆积，越积越多

Acumularse, amontonarse

山積みになる、積み重なる

산더미처럼 쌓이다, 누적되다

Usually implies an uncontrolled or problematic accumulation.

通常暗示不受控制或有问题的积累。

Generalmente implica una acumulación descontrolada o problemática.

通常、制御できない、または問題のある蓄積を意味します。

통제되지 않거나 문제가 되는 누적을 의미하는 경우가 많다.

Base verb: pile

Particle: up

Separable: No — the verb and particle stay together

Work is piling up.
工作堆积如山
El trabajo se está acumulando
仕事が山積みになっている
일이 산더미처럼 쌓이고 있다.
The bills are piling up.
账单越积越多
Las facturas se están amontonando
請求書が溜まっている
청구서가 밀리고 있다.
Snow piled up overnight.
雪一夜之间堆积起来
La nieve se acumuló durante la noche
一晩で雪が積もった
밤사이에 눈이 쌓였다.

Context: accumulation, problems, excess

Tone: concerned

From making a pile of objects.

Era: Modern

Generation: All ages

Social background: Universal