n.保密；機(jī)密
The contractor violated the terms of his confidentiality agreement. 承包商違反了保密協(xié)定的條款。
They signed a confidentiality agreement. 他們簽署了一份保守機(jī)密的協(xié)議。
All letters will be treated with complete confidentiality. 所有信件將按絕密處置。
