en garde
The word is garde-robe.
"Garde espoir"
Translation: Ta garde-robe.
garde-robe énorme
"Sans garde robe"
une loge de garde
Reste belle is how you say stay beautiful in French. You can also say: "garde ta beauté, garde ta fraîcheur which also means stay beautiful.
In French, "guard" is translated as "gardien" for a male guard and "gardienne" for a female guard.
En garde is actually a call made by the referee of a bout to get into fighting stance before combat. en garde is french for on guard.
"But take care, I'm telling you!" is an English equivalent of the French phrase Mais garde, dis donc! The statement translates literally as "But look out, I say therefore!" in English. The pronunciation will be "dee donk" in French.
Forever and for always are translated the same in French: "pour toujours". A French speaker would say "je te garde pour toujours", or "je te garde pour toujours et à jamais" ('à jamais' meaning he will never give up), the latter being a little emphatic.
It is usually pronounced as "ah-vant gard" in English. But French say it as "ah-vong gard".