quietereste

conditional form-of plural second-person

quietareの二人称複数条件法

English Meaning

second-person plural conditional of quietare

Se vi rilassaste un attimo, quietereste l'atmosfera della festa.

もし一瞬リラックスすれば、パーティーの雰囲気を落ち着かせるでしょう.

If you relaxed for a moment, you would calm the atmosphere of the party.