They kept their plan dark.英译汉They kept their plan dark.译成汉语是何意?
问题描述：
They kept their plan dark.英译汉
They kept their plan dark.译成汉语是何意?
答
dark有隐讳,不为人知的意思
Concealed or secret; mysterious
他们对他们的计划始终保密.（或者保持神秘）