stand alone

Từ điển Oxford Advanced Learner 8th

stand aˈlone idiom
1. to be independent or not connected with other people, organizations or ideas
•These islands are too small to stand alone as independent states.
•The problems that research is designed to solve do not stand alone, but are part of a wider context.
2. to be not near other objects or buildings
•The arch once stood alone at the entrance to the castle.
Main entry: ↑alone_idiom