busilis

busilis [boo-see’-lis]
noun
1The point in question where the difficulty lies; a mystery, riddle. (Colloquial) (m)
  • Dar en el busilis -> to hit the mark

busilis (familiar)
sustantivo:masculino:invariable
difficulty; snag
ahí está el busilis that's the problem; dar en el busilis del asunto to reach the crux of the matter

Paid English to Spanish translation