no shit, Sherlock

Etymology
A reference to the fictional detective Sherlock Holmes, pretending that the interlocutor has just made a great deduction.

Translations

 * Chinese: 沒有狗屎，夏洛克
 * Dutch: joh!
 * Finnish: ihanko totta
 * French:
 * Greek: τι κάνει νιάου νιάου στα κεραμίδια;
 * Italian: grazie al cazzo
 * Portuguese: não me diga,
 * Russian:
 * Spanish: nos ha jodido mayo con las flores