This is the standard French translation of the English “goodbye,” and it can be used in both casual and formal settings, with strangers and friends alike.  When said as a phrase, au revoir is usually translated directly to "goodbye." The phrase translates more closely to "to see again" or "to meet again," however.  Au translates into "to." Revoir translates into see again, meet again, or revise.  Pronounce au revoir as oh ruh-vwah. You can use salut as a way of saying “bye” when among friends or in other casual settings.  Avoid using salut in formal settings. Also note that salut can be used to greet someone as well as saying farewell. The term has a variety of translations, including "greeting," "salute," and "all the best." Pronounce salut as sah-lyoo. ” While adieu is no longer as common as it once was, it can still be used in most contexts as a way of saying farewell.  Use "adieu" sparingly; this phrase means "goodbye forever" and is generally only used when you will never see this person again in your life. This phrase can also be said upon your last visit with someone who's dying.  A translates into “to,” and Dieu means “God.” Translated more literally, this phrase says “to God” and is the same thing as saying “go with God” or “Godspeed.” A rough pronunciation of adieu would be ah-dyoo ("oo" as in "book")
قل "au revoir"في كل الأحوالsetting. استعمل تعبير "salut" لوداع غير رسمي. يمكنك استخدام "adieu" كطريقة أخرى للوداع.