It can be used in various contexts:
* "I have lost my keys." (J'ai perdu mes clés.)
* "I have lost the game." (J'ai perdu le jeu.)
* "I have lost my way." (Je me suis perdu.)
* "I have lost my temper." (J'ai perdu mon sang-froid.)
The literal translation of "jai perdu" is "I have lost," but it can also mean "I am lost" depending on the context.