pull back
The German phrase 'zurückziehen' is the equivalent of the English phrase 'pull back'. It can be used in a variety of contexts, such as withdrawing troops in a military context or retreating in a general sense. It can also refer to the physical action of pulling something back, such as pulling back a curtain or pulling back a bowstring.
I have to withdraw now.
This sentence is used when someone wants to leave the current situation. It is often used in more formal conversations or in more dramatic circumstances.
The army decided to retreat.
This sentence is used to describe a retreat in a military context. Retreat here means moving away from the enemy, usually after a defeat or to avoid a confrontation.
The turtle pulls its head back.
This sentence refers to the literal action of a turtle retracting its head into its shell, usually as a defensive move to protect itself from threats.