1·A bad penny always turns up.
烂钱总是会再回笼。
2·Bill seldom goes to our pub these days yet he always turns up like a bad penny when there is free food on darts night.
比尔最近很少来我们的酒店，然而晚上的掷镖游戏上有免费食品供应时，他总是会来的。
3·The Solution: While I agree that you shouldn’t be a miserly Scrooge and save every penny because it physically hurts you to spend it, going the other extreme is just as bad.
策略：我同意说你不该是个吝啬的守财奴，存下每一分钱，一花钱你就觉得受到伤害，但是走向另一个极端也是不好的。
4·We humans are a superstitious lot, believing that Friday the 13th is bad luck and finding a penny is good luck.
我们人类是非常迷信的生物，相信13号的星期五代表厄运，而捡到一分钱则代表将有好运。
5·Penny: No, but it's almost as bad. They have agreed on a trial separation.
彭尼﹕不是，但也好不了多少。他们同意试行分居。
6·I don't want you to associate with Jason; he's a real bad penny.
我不想让你和贾森交往，他的品质真坏。
7·1: the Bad Fish Paradigm: in the second-season opener, Penny surprisingly turns to Sheldon as a confidant after her disastrous first date with Leonard.
第1集：坏鱼范式：第二赛季揭幕战，彭妮出人意料的转向谢尔登为她的灾难和伦纳德第一次约会后知己。