One was hitting a rock with another rock and humming an incomprehensible baby hum.
I suppose that's incomprehensible to a lot of you, but it's my take.
The Scottish language is, as all good Third World languages must be, incomprehensible.
A former senior advisor to Karzai says that his recent manner of dealing with the BSA has been “incomprehensible for Afghans.”
At one point, Perry even recommends Congress “pass shorter, understandable bills rather than long, incomprehensible ones.”
For companion, he had one with no roof to his mouth, whose speech was incomprehensible—an excellent thing in law-breakers.
The thing was incomprehensible to Tip, and altogether a fanciful notion.
Mechanics were a mystery to me; road-making was an incomprehensible science.
I lose myself again in trying to understand what is incomprehensible.
Paul looked on with an embarrassed smile, like a puzzled affectionate dog at the incomprehensible mirth of humans.