With all due respect, I think you made the wrong decision.

恕我直言，我覺得你做了個(gè)錯(cuò)誤的決定。

1. 

due  a. 適當(dāng)?shù)?，?yīng)有的

英 /dju?/  美 /du?/

After due consideration, we have decided to appoint him to the job.

經(jīng)過適當(dāng)考慮，我們決定委任他干這項(xiàng)工作。

2. 

respect  n. 尊重

英 /r??spekt/  美 /r??spekt/

I have the greatest respect for your parents.

我非常尊敬你的父母。

3.

[with all due respect] 恕我直言

With all due respect, I think we could look at this situation differently.

恕我直言，我覺得我們應(yīng)該換個(gè)角度看這個(gè)情況。