non deve preoccuparsi

you don't have to worry

→ non
phrase Rare #31,787
you don't have to worry Used to reassure someone formally. It can also mean “he/she must not worry,” depending on context; deve is the formal “you” form or the third-person singular form of dovere.
IT: Non deve preoccuparsi, ci penso io.
EN: You don't have to worry, I'll take care of it.

Tom non deve preoccuparsi di niente.

Tom doesn't have to worry about anything.

Non deve preoccuparsi per Tom.

You don't need to worry about Tom.

Dille che non deve preoccuparsi.

Tell her not to worry.

— Hong Kong Express (1994)

Non deve preoccuparsi, risolveremo tutto noi al più presto.

Don't worry, we'll sort everything out as soon as possible.

Lei non deve preoccuparsi.

You don't need to worry.

Non deve preoccuparsi per me.

You don't need to worry about me.

Non deve preoccuparsi.

He/She must not worry.