Thirty in french is trente
jouer au tennis
tennie
il adore le tennis
le club de tennis
You would say "il a trente et un ans" in French to mean "he is thirty-one."
It's "le tennis", you don't pronounce the "s".
table tennis is translated 'tennis de table' or familiarly 'ping-pong' in French
Joue-tu encore au tennis?
Tennis est mon sport prefere
I brought thirty friends is " j'ai amené trente amis " in French.
Seven thirty am is "sept heures trente" or "sept heures et demie" in French.