Translate the following sentences into Chinese. 1. United, there is little we cannot do in a host of cooperative ventures. 2. Divided, there is little we can do, for we dare not meet a powerful challenge at odds and split asunder.(Para.6) 3. If a free society cannot help the many who are poor, it cannot save the few who are rich.(Para.8) 4. We dare not tempt them with weakness. For only when our arms are sufficient beyond doubt can we be certain beyond doubt that they will never be employed. (Para.12)