颜色的常用英语表达：blue boys是蓝孩子？

英语自学网

　　1、between the devil and the deep blue sea
        　　having only two very unpleasant choices between a rock and a hard place
        　　只能在两个非常讨厌的选项中选择，进退两难。
        　　Their country is caught between the devil and the deep blue sea - their
leaders cause great suffering, but an invasion aimed at overthrowing them would
bring many other problems.
        　　他们的国家陷入了两难的选项中，他们的领导人带来了巨大的痛苦，但是想要推翻领导人而发动袭击则会带来许多其他的问题。
        　　For most people a visit to the dentist is the result of a choice between
the devil and the deep blue sea - if you go you suffer, and if you don't go you
suffer.
        　　对于大多数人来说去看牙医是左右为难后选出的结果，如果你去，那么受罪，而如果你不去，你还是受罪。
        　　2、blue and white
        　　a police car; the police. (Used in cities where the police cars are painted
blue and white.)
        　　警车