trade secret | BrE , AmE treɪd ˈsikrɪt | noun ① Business 商业秘密 shāngyè mìmì ▸ the recipe for their drink is a closely guarded trade secret 他们的饮料配方是严格保守的行业秘密 ② figurative humorous 秘诀 mìjué ▸ her keep-fit regime is her own trade secret 她的养生之道靠的是她自己总结的秘诀 |