Word
Bisogna levigare la scatola, vale a dire pulire il legno.
Meaning
One must sand the box, that is to say clean the wood.
Part of speech
sentence
Pronunciation
Course
Breakdown of Bisogna levigare la scatola, vale a dire pulire il legno.
la scatola
the box
il legno
the wood
pulire
to clean
bisognare
to be necessary
Questions & Answers about Bisogna levigare la scatola, vale a dire pulire il legno.
How exactly does vale a dire work here, and is it interchangeable with cioè?
Vale a dire translates to "that is to say" or "namely", and it is used to introduce an explanation or clarification of what was just said. It functions very similarly to cioè and is largely interchangeable with it, but vale a dire often sounds slightly more formal or precise, which fits well when explaining a specific physical process like sanding wood.
Does the verb vale in vale a dire ever change its form or tense depending on the subject?
No, it operates as a fixed phrase. Even though vale comes from the verb valere (to be worth), the expression vale a dire acts as an invariable conjunction. You will never conjugate it to match a subject or change its tense to past or future in this context.
Why is pulire in the infinitive here? Is it because of vale a dire?
Pulire is in the infinitive because it parallels the earlier verb levigare. The underlying structure is "Bisogna levigare, vale a dire [bisogna] pulire". The explanatory marker vale a dire just bridges the two ideas, so the second verb keeps the exact same grammatical role as the first one.
Why do we use bisogna here instead of a form of avere bisogno di?