Expresses that a situation remains unresolved longer than expected, often implies exasperation or weariness.

Subtle Endurance

Typically used in casual or informal situations, rather than in formal writing or speeches.

Informal Use

Can carry a sense of frustration or tension when used to describe prolonged disputes or problems.

Describes a sound that continues over time, usually in the background and not necessarily loud.

The action or event doesn't have to be constant but can happen sporadically over time.

It's used to paint a picture of the environment, where the sound is a persistent but not dominant feature.