Thanks to Bob and Lostpedia for the rapid translation.
Woman: Mikhail! You know what to do. Mikhail: We still have another way. Woman: We cannot risk. Woman: You know what to do. Mikhail: We still have another way. Woman: We cannot risk. You know the conditions. Mikhail: We have another way. Woman: They know us. We will ot let them [unintelligible]. You know what to do. It is an order. Mikhail: But we still have another way! (pause) I'm sorry! (shoots)
Source: Lostpedia