The Spaniard singled out Eden Hazard and N’Golo Kante for special praise as he seeks to learn his fourth language fluently.
Alonso has been a key man for Antonio Conte this season and has cemented himself as the left wingback in his 3-4-3 formation.
The summer signing told the club’s website: “I speak English, Italian, Spanish and a bit of French.
“It’s good here because I can practice with people like Kante and Hazard”
Chelsea ace Marcos Alonso
“I’m working on my French right now, I used to be good when I was in school but when I went to Italy I didn’t speak it as much.
“It’s good here because I can practice with people like Kante and Hazard.”
Alonso made the switch from Fiorentina for £23m on transfer deadline day.
Since then he has made 13 appearances in the Premier League in helping Chelsea to the top of the table.
The Blues lead Liverpool by three points as they aim to lift the trophy in May.
Next up for Conte’s side is a home clash against Stoke on New Year’s Eve where they will aim to make it 13 wins on the bounce.