stand up

Từ điển Oxford Advanced Learner 8th

▪ I. ˌstand ˈup derived
to be on your feet
• There were no seats left so I had to stand up.
• You'll look taller if you stand up straight.
Main entry: ↑stand_derived
 
▪ II. ˌstand ˈup (to sth) derived
to remain valid even when tested, examined closely, etc
•His argument simply doesn't stand up to close scrutiny.
•I'm afraid this document will never stand up in a court of law.
Main entry: ↑stand_derived