恐怕他们会破译盟军的密码。It was feared they could break the Allies' codes.破译密码to decipher a code研究者正渐渐破译存于有机体细胞内的基因结构.Researchers are gradually deciphering the genetic structure found in the cells of organisms....

“破译”的英语可以翻译为：[数]break ...