The verb 'beat up' implies a severe physical attack, more intense than just being hit once.

Violent Connotation

Sometimes, 'beat up' is used figuratively to describe self-criticism or harsh judgment towards oneself.

Figurative Usage

'Beat up' is informal and used more in spoken than written language, and mostly in casual conversation or media, not formal contexts.

As an adjective, 'beat up' describes objects, not people, that are old and worn from use.

Don't use 'beat up' as an adjective to describe a person's appearance; it's disrespectful and incorrect.

'Beat-up' can imply a sentimental value or affection for the worn item because of its history.