A popular French saying that is often used in the culinary world is "Bon Appetit." This is a salutation that is used before a person is about to enjoy a meal. There are many other French phrases that are used in the everyday lives of English speakers.
There are several French dining phrases that are popular. One is "a la mode," which translates to "in style." However, on English menus, it means that pie is served with ice cream on top. Another French dining phrase is "au gratin," which means that a dish is covered in cheese. "Hors d'ouevre" is another common phrase that is used for appetizers.
The phrase "creme de la creme" is often used to describe something as the best of the best. In the arts, the phrase "art nouveau" describes the style of the late nineteenth and early twentieth centuries. A "faux pas" is when someone makes a social misstep.
Another common phrase is "deja vu." It's used to describe the feeling that you have experienced something before. Baseball great Yogi Berra famously said "it's like deja vu all over again," introducing the phrase to millions of Americans. Many people also use the term "bon voyage" to tell someone to have a good trip.