Not worth the paper it's written on

The proposal isn't worth the paper it's written on...La propuesta es papel mojado.

Through and through

Peter's English through and through...Peter es inglés de pura cepa.

Write up

Peter wrote up his report...Peter pasó su informe a limpio.

In rough

Peter wrote it in rough...Peter lo escribió en sucio.

Beat round the bush

Peter's beating round the bush...Peter está mareando la perdiz.

Chainsmoker

Peter is a chainsmoker...Peter fuma como un carretero.

Work out well

The plan worked out well...El plan salió bien.

Pay the price

Peter paid the price...Peter pagó el pato.

Jump for joy

Peter's not jumping for joy...Peter no está dando saltos de alegría.

Take to court

Peter's taking Pieedad to court...Peter lleva a juicio a Piedad.

Cast doubt

Peter cast doubt on Piedad's statement...Peter puso en duda la afirmación de Piedad.

Certain something

Peter has a certain something...Peter tiene un no sé qué.

As far as I know

As far as I know---Que yo sepa

Know the way

Peter knows the way...Peter sabe ir.