Meter la cabeza

Meter la cabeza
 

Ej.:
Una vez metas la cabeza, te seguirán llamando. Contexto en un trabajo en el que es difícil entrar , y se dice lo difícil es meter la cabeza.
In English?

:erm:Hmm... a hard nut to crack.
or you really have to stick your neck out.....?:thinking:\

to out your ass on the line (similar to stick your neck out)

Did you understand the question? It is sthg like once you start working for them they keep calling you over and over again!