"Nous comprendrions peut-être à quoi ce truc sert."

Translation: We would maybe understand what this thing is used for.

[MCVE10007]

What a strange english sentence.

[Willis11565]

Better english: "Maybe we would understand..."

[Lee_with_2_Es]

Duo seems particularly averse to putting the word "maybe" in the right place.

[Bumbersnatch]

Yes, 'we would maybe understand' is awkward in English, but 'we might understand', which sounds much better, is accepted.

[JoeTama]

What does this even mean in English?

[Vic3141]

Even the following sounds quite strange. Perhaps we would understand what this thing is used for.

[ian116730]

Duoenglish again

[doublelingot]

We would perhaps understand what this thing is for.

[Tim333130]

We would maybe perhaps sometimes almost quite often but seldom and not always understand Duospeak.

[Louradour5]

an alternative : Nous comprendrions peut-être à quoi sert ce truc.

[Don161616]

This is an example of a sentence that can be negated without changing the meaning whatsoever.