Want to impress someone in a foreign land? Say hello in their language. Want to make that card or letter special use a foreign language, such as Greek or Latin. Place "Hello" in their language followed by their name in the subject of your letter of introduction.
Free Online Translation Services
Remember, most of the sites will not allow you to translate more than a short paragraph at a time. Always use correct grammar, spelling and punctuation. Do not use slang or idiomatic or "flowery" language.