un jour
In order to say worker in French, you would say, travailleur. If you wanted to say boss in French you would say, patron.
a tough guy is likely to be called 'un dur' (literally 'a hard one') in French.
Bonjour, ma belle
There are many ways to say "see you later" in French. The most usual way is to say au revoir. A more informal way is to say à bientôt, which means "'til next time". You can also say à demain to mean "see you tomorrow".
J'aime mon hamster
J'aimerais (avoir) un hamster.
Je n'ai pas un hamster
un hamster is masculine. To indicate a female, you say 'un hamster femelle', but the piece of sentence is still masculine.
Une hamster [pronounced oon am-stare] is French for "A hamster".
a female hamster is 'un hamster femelle' in French.
"Mon hamster s'appelle Mario."
J'ai un poisson (un poisson rouge if a goldfish) et un hamster.
A hamster is called "un hamster" (masc.) in French. Its prounounced like amstere rather than hamster.
the French word for hamster is 'hamster' (masc.)
un hamster
J'ai un hamster, j'ai un hamster apprivoisé