Translation of "a trabajar" into English

Discutan mi vida social, yo iré a trabajar.

You discuss my social life, I'm going to do some work.

Bien, vamos a trabajar un poco mientras aun tenemos nuestras mentes en orden.

All right, let's do some work while we still have our thoughts in order.

Con un vistazo a su cara supe que era reacio a trabajar.

One glance at his face told me that he was reluctant to work.

Tom se terminó su café y se fue a trabajar.

Tom finished his coffee and left for work.