6.he was unrecognized in his disguise.
乔装打扮使他没有被认出来。
7.There is no disguise which can hide love for long where it exists, or simulate it.
爱存在的地方，没有伪装能长时间隐藏它，也不能假装。
8.Genetic modification can be used to disguise an animal’s cells and organs and thereby reduce or even eliminate rejection of the graft.
遗传性的修改能用于伪装动物的细胞和器官，因此减少了。甚至消除了移植的排斥作用。
9.A few drinks may seem harmless but beware: alcohol is a devil in disguise.
喝几口酒可能没有什么坏处，不过得小心：含有酒精的饮料是一种糠衣裹着的砒霜。
