Use atleast one word (from the language which you are learning now) in your daily talk (don't worry if the other person knows it or not), but do remember to use in the correct place.
Good Morning - Sabah alKhair. How are you? - Keif halak? Well, thank you - Balkhair,sukran. How is it? - Keif Huwa? Very very beautiful - Jameelun Jiddhan. Who is he? - Mun huwa? He is my friend...