例句-1：This guy ran a real down and dirtycampaign; every day he started more rumors about our man’s honesty and personal life. But the voters saw he was lying so we easily beat him.

　　这家伙为了赢得竞选真是不择手段。他每天都散布谣言中伤我们候选人的品德和私生活。好在选民看透了他在撒谎，所以我们轻而易举就把他击败了。

　　我们要学的第二个习惯用语是: dirty crack。Crack可以解释为俏皮话或者幽默的玩笑, 但是前面加上dirty意思可就不同了，dirty crack是“刺伤人的挖苦话”。

　　例句-2：Finally Bob made a dirty crack about the quarterback -- he called him so dumb he couldn’t add up two and two. At this the man next to him got up and hit him in the eye: it turns out the quarterback was his son.

　　鲍勃终于忍无可忍了，对着那名四分卫叫喊说，他笨得连二加二是多少都算不出来。他身边那人听了这话站起身来就朝着鲍勃的眼睛打了一拳——原来那名四分卫正是他的宝贝儿子。