Tandem.
'Tennis' in Latin is 'tenisia' ('tenisiae', if plural). The expression 'to play tennis' in Latin is 'tenisia ludere'.
Die Last quisque melior quam.
Memoriae endurant/permanent semper.
There is some level of dispute on this; I believe the English word is carnival. Some say it is derived from the late Latin expression "carne vale" - Signifying a celebration to farewell to meat; in the few days before lent (meat is not to be consumed during Lent)... However others say it originates from the Italian expression "Carne levare" - to remove meat.
Felix es.
The Latin phrase 'In vino veritas' literally means 'in wine the truth'. It means that when people are drunk they may say things that they would otherwise not have said.
you say helmet in latin (casco)<- in latin
Res publicae.
in situ
To say "Who am I?" in Latin you can say "quisnam sum Ego?"
How do you say determined in Latin?
infitialis is the word we say in latin