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English grammar

Money idioms

Talk about money with common English idioms.

From the scene Doing the sums

In short

Money idioms: do the sums, be worth it, tighten your belt, cost an arm and a leg, splash out.

Your turn

Which one goes with to be worth the cost or effort?

Options: to do the sums · to tighten your belt · to be worth it

Show answer

to be worth the cost or effort → to be worth it

How it works

To do the sums is to work out whether you can afford something; to be worth it means the result justifies the cost or effort.

Your turn

Pick the word that fits the line.

I've been (blank) the sums all night.

Options: doing · making · taking

Show answer

I've been doing the sums all night.

Llevo toda la noche haciendo números.

Good to know

To tighten your belt is to spend less; something that costs an arm and a leg is very expensive; to splash out is to spend generously on a treat.

Your turn

Pick the word that fits the line.

It's worth it, but we'll have to tighten our (blank).

Options: belts · buckles · waists

Show answer

It's worth it, but we'll have to tighten our belts.

Sale a cuenta, pero habrá que apretarse el cinturón.

to work out the costs and income to do the sums

Tomás

Darling, we have to do the sums. We can't go splashing out.

Mi vida, hay que hacer números. No podemos tirar la casa por la ventana.

Your turn

What fills the gap?

Darling, we have (blank). We can't go splashing out.

Options: to be worth it · to tighten your belt · to do the sums

Show answer

Tomás

Darling, we have to do the sums. We can't go splashing out.

Mi vida, hay que hacer números. No podemos tirar la casa por la ventana.

to be worth the cost or effort to be worth it

Your turn

What goes with to be worth it?

Options: to spend less, to cut back · to be worth the cost or effort · to work out the costs and income

Show answer

to be worth it → to be worth the cost or effort

to spend less, to cut back to tighten your belt

to be very expensive to cost an arm and a leg

Your turn

What goes with to cost an arm and a leg?

Options: to be very expensive · to work out the costs and income · to be worth the cost or effort

Show answer

to cost an arm and a leg → to be very expensive

to spend a lot on a treat to splash out

Practise it in the story

Meet this rule inside a short animated scene. Answer as it plays, then say the lines yourself.

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Money idioms
to work out the costs and incometo do the sums
to be worth the cost or effortto be worth it
to spend less, to cut backto tighten your belt
to be very expensiveto cost an arm and a leg
to spend a lot on a treatto splash out
More lines from the story
  • TomásI've been doing the sums all night.Llevo toda la noche haciendo números.
  • TomásIt's worth it, but we'll have to tighten our belts.Sale a cuenta, pero habrá que apretarse el cinturón.
  • TomásLove, that costs an arm and a leg!¡Amor, eso cuesta un ojo de la cara!
  • TomásHello? Marisa? An Italian coffee machine?¿Bueno? ¿Marisa? ¿Una cafetera italiana?
  • TomásShe says she can't. With the baby, it won't do up any more.Dice que no puede. Con el bebé, ya no le cierra.

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