And despite a host of different languages in the dressing room, Flores insists he will be communicating in English.
“I understand Italian and Portuguese but I speak only a little bit English and Spanish,” he added.
“English is the main language in the dressing room, we live in England and all of the players understand this.”
The Hornets travel to Everton on Saturday for the start of their first season back in the top flight since finishing bottom at the end of their 2006-07 campaign – which yielded just 28 points.
GETTY
Quique Flores has spent around £25million on summer signings
Invalid email
We use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time. Read our Privacy Policy
And if they are to have any hope of avoiding a repeat performance then strikers Troy Deeney, Matej Vydra and Odion Ighalo must fire.
Flores reckons the trio offer him the necessary firepower but has challenged them to make the step up.
He added: “For practically all the players it is a new level, they know they need to give more than last year.
“That was enough for promotion but everybody knows it is not enough for the Premier League. So we need to get to a new level.”