Italian Phrase
Usa sempre un coltello affilato.
Meaning
The sentence is a piece of practical advice: always keep your knife sharp and use a sharp knife when you cut. It stresses safety (a dull knife can slip) and efficiency (a sharp blade slices cleanly).
When to use
You would say this in a kitchen, during a cooking class, or when giving a friend a tip about food preparation. It’s also common in written safety guidelines for restaurants.
✦Grammar Breakdown
Usasempreuncoltelloaffilato
Imperativo (Usa)
‘Usa’ is the second‑person singular imperative of the verb *usare* (to use). It gives a direct command or advice.
Avverbio di frequenza (sempre)
‘Sempre’ means ‘always’ and is placed before the object to stress the habit.
Articolo indeterminativo (un)
‘Un’ is the masculine singular indefinite article used before a consonant‑starting noun.
Sostantivo (coltello)
‘Coltello’ is a masculine noun meaning ‘knife’; it requires the article ‘un’ and the adjective to agree in gender and number.
Aggettivo concordato (affilato)
‘Affilato’ is an adjective meaning ‘sharp’; it matches the masculine singular noun ‘coltello’.
🗨In Conversation
Usa sempre un coltello affilato, così non ti tagli.
Always use a sharp knife, so you don’t cut yourself.
Hai ragione, lo affilo subito dopo aver finito di tagliare le verdure.
You’re right, I’ll sharpen it right after I finish chopping the vegetables.
✕Common Mistakes
Usi sempre un coltello affilato.
‘Usi’ is the present indicative; the imperative form ‘Usa’ is required for a command or advice.
Usa sempre un coltello affilati.
The adjective must agree with the singular masculine noun; ‘affilati’ is plural.
Sempre usa un coltello affilato.
While grammatically possible, the more natural order in Italian places the adverb before the verb: ‘Usa sempre…’.
↔Alternatives
Mantieni sempre un coltello ben affilato.
Always keep a well‑sharpened knife.
Non dimenticare di affilare il coltello prima di cucinare.
Don’t forget to sharpen the knife before cooking.
È meglio usare un coltello affilato.
It’s better to use a sharp knife.
Cultural Tip
In Italian culinary tradition, a sharp knife is considered a chef’s most important tool. Professional kitchens in Italy often have a dedicated ‘affilatore’ (sharpening station) and chefs teach students the art of maintaining blade sharpness. Using a dull knife is seen as careless and can be a safety hazard, especially when preparing delicate ingredients like fresh herbs or thinly sliced prosciutto.