英语翻译

英语翻译
1.Never say anything behind a person's back that you wouldn’t say to his wife.
2.It is not because they were afraid of earthquakes,but because there was a trend for living in the suburbs so that after World War ∏ many San Franciscans left the city houses and moved to the suburb.
3.As a general observation,many physicians regret never having taken a course In the history of medicine.
4.It is difficult for us to explain phenomena of which we have little or no direct knowledge.
5.There lived in the village the peasants who enjoy no sickness benefits,no old age pensions no any holidays.