to pull one's socks up
01
skärpa till sig, ta sig i kragen
to try one's best to improve something that is not good or satisfactory enough
![to [pull] {one's} socks up definition and meaning](https://cdn.langeek.co/photo/43152/original/?type=jpeg "to [pull] {one's} socks up definition and meaning")
Exempel
After failing his exams, he knew he had to pull his socks up if he wanted to pass next time.
Han kom sent två gånger den här veckan, så chefen sa åt honom att skärpa till sig.
