Don't insert the subordinate clause between the main clause and its question word. Also, keep your indefinite subject consistent throughout. tlhIngan Hol jatlhlu'taHvIS chay' facepalm jatlhlu'?
Cool, this is helpful. Would “tlhIngan Hol jatlhlu'taHvIS chay' X jatlhlu'” be a reasonable way to ask how to say X in Klingon? Is there a more concise/preferred way to do this?
Maybe wejpuH charming (used only ironically).