confident

有信心的，确信的

①多用作表语，后接用of。

【例】This is not because we are not confident of your competence but because both sides need more understanding of each other.

不是我方不相信贵方的能力，而是双方之间还需要更多的相互了解。

②后面可接用that从句。

【例】We are confident that we can push the sale of your product in this market.

我们确信能在此市场推销你方产品。

confidential

秘密的，机密的

【例】Your reply will, of course, be kept strictly confidential.

当然，对你方回复将严守秘密。

confidentially

秘密地

【例】Their actual discount rate is 15 percent with the extra l0 percent to be paid confidentially.他们实际的折扣是15%，内有10%需要秘密支付。