biegen

In a sentence

• Ich biege den Draht, um ihn zu formen.

  I bend the wire to shape it.

  Here, 'biegen' is used transitively to indicate the physical act of bending an object to modify its shape.

• An der Kreuzung müssen Sie rechts biegen.

  At the intersection, you need to turn right.

  In this sentence, 'biegen' is used intransitively to describe the act of changing direction, typically while driving or moving.

• Das Blatt biegt sich, wenn es nass wird.

  The leaf bends when it gets wet.

  Here, 'biegen' is employed reflexively, 'biegt sich', to indicate that the object changes its shape on its own due to external factors.