No recalientes el café otra vez; ya sabe demasiado amargo.

Don’t reheat the coffee again; it already tastes too bitter.

Breakdown of No recalientes el café otra vez; ya sabe demasiado amargo.

• ;: semicolon
• demasiado: too
• el café: the coffee
• no: not

Questions & Answers about No recalientes el café otra vez; ya sabe demasiado amargo.

Why is it No recalientes and not No recalienta?

Because this is a negative tú command.

In Spanish, negative commands for tú use the present subjunctive:

• recalentar → recalientes
• so No recalientes = Don’t reheat

Compare:

• Recalienta el café = Reheat the coffee
• No recalientes el café = Don’t reheat the coffee

This is a very common pattern:

• No hables
• No comas
• No salgas

What does recalentar mean exactly? Is it different from calentar?

Yes.

• calentar = to heat, warm up
• recalentar = to reheat, heat again

The prefix re- adds the idea of again.

So:

• Calienta el café = Heat the coffee
• Recalienta el café = Reheat the coffee

In this sentence, recalentar is used because the coffee has apparently already been heated before.

Why is there no tú in the sentence?