once a devil, always a devil
一次做魔鬼，永远是魔鬼。
one flower makes no garland
一朵花做不成一个花环。
one foot is better than two crutches
一只脚胜过两条拐仗。
oppression maketh a wise man mad
人处压迫下，聪明也会疯。
out of sitght, out of mind
眼不见，心不想。
pain is forgotten where gain follows
一朝得了利，痛苦便忘记。
patience is the plaster of all sores
忍耐是一切痛苦的止痛膏。
patient men win the day
能忍者胜。
peace with sword in hand, 'tis safest making
和平时期手执剑，这样做来最保险;有备无患。
pen and ink is wit's plough
笔墨是才智之犁。
penny wise and pound foolish
小事聪明，大事糊涂。
poison is poison though it comes in a golden cup
纵然装入金杯，毒药还是毒药。
pouring oil on the fire is no way to quench it
加油不是灭火法。
praise is not pudding
恭维不等于布丁;恭维不是实惠。
promises are like piecrust, made to be broken
诺言好似馅饼皮，做来便是为咬碎。
promise is debt
许愿要还，欠债要清;
public money is like holy water, every one helps himself to it
公款如圣水，人人都要尝一嘴。
quietness is best
宁静最好。
rain before seven: fine before eleven
早雨不过午。
reading maketh a full man, conference a ready man,and writing an exact man