Я понимаю по-русски, pronounced ya pa-nee-MA-yu pa-roos-ski As another contributor pointed out, if you don't know Russian, it may be best you don't know how to say that. You may want...
Depending on whether you want to sound formal or informal, it would be either: "Вы хорошо говорите по-русски"-- "Vyh khah-rah-SHOH gah-vah-RIH-tye pah-ROOS-kih" or "Ты...