walk away

walk away phrasal verb (see also ↑walk)
1. to leave a bad or difficult situation, instead of trying to make it better
walk away from
You can’t just walk away from 15 years of marriage!
When the business started to have problems, it was very tempting to walk away.
2. to come out of an accident or very bad situation without being harmed:
Miraculously, both drivers walked away without a scratch.

Oxford Advanced Learner's Dictionary

walk away (from somebody)

ˌwalk aˈway (from sb/sth) derived
to leave a difficult situation or relationship, etc. instead of staying and trying to deal with it
• He was tempted to walk away from the problem.

Main entry: walk_derived

Cambridge Advanced Learner's Dictionary

walk away disapproving (DIFFICULT SITUATION) — phrasal verb with walk / wɔːk / / wɑːk / verb

to stop being involved in a situation because it is difficult to deal with or does not give you any advantages:

You can't just walk away from a marriage at the first sign of a problem.

walk away (ACCIDENT) — phrasal verb with walk / wɔːk / / wɑːk / verb

to escape an accident without being badly hurt:

She overturned the car, but walked away from it without a scratch .

Collins Advanced Learner’s English Dictionary

walk away

PHRASAL VERB
If you walk away from a problem or a difficult situation, you do nothing about it or do not face any bad consequences from it.
[V P from n] The most appropriate strategy may simply be to walk away from the problem...
[V P] No one knows you're a part of this. You can just walk away.

Merriam-Webster's Advanced Learner's Dictionary

walk away [phrasal verb]
1 : to decide not to do or be involved in something
• If you don't like the deal, you can just walk away.
- often + from
• He walked away from a chance to play professional baseball to join the Peace Corps.
• You can't just walk away from your responsibilities!
• She is not one to walk away from a challenge.
2 walk away with (something) informal : to win (something) especially in a easy way
• She walked away with the election.
• He walked away with first place.
• She had the winning ticket and walked away with $50,000!