14.Between Cup and Lip差之毫厘 失之千里
        例句:His aunt was going to sign the check when she suddenly had a heart attack.He lost the money between cup and lip.
        他的婶婶正要签支票时,突然心脏病发作.他眼看就要到手的钱又化为乌有.
        
        15.Between Scylla and Charybdis腹背受敌
        例句:When the man’s wife and her mother got together,he was betweenScylla and Charybdis.
        太太和岳母娘俱在时,做丈夫的真是两面受敌.
        
        16.Between Two Stools两头落空
         例句:Many college students wanted to earn their living when they had spare time,but they sat between two stools at last,for they neglected their study and didn’t earn much.
        很多大学生都想在课余时间捞点外快贴补生活,但结果却两头落空,他们荒废了学业,钱也赚不多.
        
        17.Big Frog in the Pond/Puddle井底之蛙 小地方的大人物
         例句:As company president,he had been a big frog in a little pond,but to compared to the new congressman in Washington,he was nothing to talk about.
        作为公司的董事长,他已经算是个人物;但如果跟华盛顿的新国会议员相比,那简直连提都不用提.
        
        18.Birthday Suit一丝不挂
        例句:I went into the bathroom and found my sister in her birthday suit.
        我走进洗澡间,发现妹妹赤身裸体、一丝不挂.
        
        19.Black Sheep害群之马 不肖之子
         例句:My brother is a lawyer and my sister is a doctor.They say I’m the black sheep of the family because I decided to be an actor.
        我哥哥是律师,姐姐是医生.他们说我是家庭中的不肖之子,因为我决定当演员.
        
        20.Blaze a Trail另辟蹊径
        例句:One should not always follow the beaten path,but he should try to blaze a new trail.
        人不能总是墨守陈规,要另辟蹊径.