Je parle en connaissance de cause.
zhuh paar lah kuh-nay-sah sduh KOHZ. Click below to hear this.*
I know what I’m talking about.
This is one of those things that you say when the conversation is about to turn contentious. They think you are just blowing smoke? Tell them: Je parle en connaissance de cause. Literally, I am speaking in knowledge of the issue.
Of course, once you have asserted this, you may well have to establish your credentials. How did you acquire this knowledge you claim? Did you live the experience first-hand, do you have a doctorate in the subject, did your great-aunt’s second cousin’s next-door neighbor tell you? Some explanations may not suffice to make you the authority they quote on the TV news.
*Some mobile phones, such as Blackberries, won’t display the audio player. If no player appears, here’s an alternative link to the audio file: