56. let one's hair down
解除表面的装饰，使一切显得很自然、真实和放松

例句：The president has to make so many official appearances that he seldom gets a chance to let his hair down and enjoy life like ordinary people.
总统要出席许多公开场合，因此他很少有机会像普通老百姓那样轻松地享受生活。

57. loose cannon
一个失去控制、无视权威、打破常轨的人

例句： I know this guy is a smart political worker. But he's hard to control. In fact, he's a loose cannon who might do more damage to our side than the man I'm running against.
我知道这家伙在政治工作方面很聪明。但是，这个人很难控制。实际上，他就像一个没有约束的大炮，给我们造成的危害可能会比我竞选对手造成的危害更大。

58.blockbuster
指某件事取得很大的成功

例句：A story from Hollywood said that the new James Bond film is the blockbuster film of the season.
好莱坞的一篇文章说，詹姆斯.邦德新拍的那个电影是这一季度最成功的片子。

59.oddball
一个人表现的很奇怪，和一般人不一样

例句：My friend Joe is certainly an oddball. In the summer he puts his shoes in the refrigerator at night so his feet will be cool when he goes to work in the morning.
我的朋友乔伊真怪。在夏天，他晚上把鞋子放在冰箱里，说是第二天早上去上班去的时候，脚可以凉快一点。

60.odds and ends
零碎东西

例句：Okay, I'm all packed now, except for a few odds and ends I'll put in a handbag and carry on the plane with me.
行了，我的行李都准备好了，还有一些零星小东西，我准备把它们放在手提包里，随身带上飞机去。