翻译以下句子: The skinny child was not scared of their threat. He demonstrated his manhood by pushing back. 2. The father’s remarks showed a lack of sensitivity to the problems of the kids. 3. He doesn’t want to get married because he is afraid of any commitments. 4. He thinks his brother is very uncommunicative, because he doesn’t like to acknowledge his fears and problems. 5. As young men, we have to follow a series of codes of conduct in whatever we do. 6. The big boy in blue had no sympathy for his friend who already had a swollen face. 7. The parents of boys are often bothered with conflicts between boys. 8. A gang of young men is playing a trick on their buddies. 9. They were about to fight when their father intervened. 10. She is a silent girl, cold and remote. 11. Jimmy hurt his arm in the traffic accident, but he feels better and seems on the road to recovery. 12. His stupid remarks touched off a fight between the boys. 13. He pleaded with his mother to let him handle the matter himself. 14. Children are taught to be wary of strangers when they are very young. 15. Toddlers often appeal to their mothers for assistance when they learn to walk.