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Please translate this idiomatically. i.e. - the way you'd normally say this in a conversation in Turkish. Thank you!

I'd like to say this to someone- should be standard spoken German.

For a website. This is a statement of purpose for a company that produces technology that alerts drivers of potential dangers on the road. It needs to sound natural and convincing in the target languages.

To be said to my future parents-in-law...

In spoken Swedish, as colloquial as possible please...

I keep getting asked how long I had studied a particular language, or how it is that I can converse in that language. I have a difficult time answering if I never really studied the language.

Desire only AMHARIC translations.
I'm looking for a colloquial way of saying these phrases in a way that any Ethiopian could understand.

This is what I thought of writing:

Εγω, ο υπογράφων, έχουν προειδοποιήσει ότι θα πρεπω να πω την αλήθεια, και αν δε, θα μπορεί να αντιμετωπίσει κυρώσεις σύμφωνα με το νόμο, δηλώνω τα εξής: