Dortmund face a near-impossible task at their Westfalenstadion in Tuesday's return after Gareth Bale, Isco and Cristiano Ronaldo, who equalled Lionel Messi's record of 14 goals in a Champions League season, scored Real's goals at the Bernabau.

Dortmund romped to a 4-1 win at home to Real in last season's semi-finals, first-leg en route to the final and Klopp brushed off any suggestion his side are effectively out with Real on the verge of a fourth consecutive European semi-final.

"How could anyone transfer money to my account for my job, if I now turn around and say we're out of this?" snapped back Klopp after ZDF presenter Jochen Breyer implied Dortmund have no chance in the return.

Having recently had a an on-air spat with ZDF pundit and ex-Germany captain Oliver Khan, Klopp was in no mood for weak questions.

"Sorry, but I don't want to go into the ZDF studio and again clash with someone," said the Dortmund boss.

"But for every stupid questions, I can only give a stupid answer - as we all know."

Dortmund were without suspended Poland striker Robert Lewandowski in Madrid and even with their top-scorer back for the second leg, Klopp admitted Borussia left themselves facing a huge task at home.

"We haven't earned a situation in which we can say we'll challenge, but we will still play," said Klopp.

Dortmund goalkeeper Roman Weidenfeller said the Germans did not have the right mind-set in Madrid.

"We were dozy at the start and made it too easy for Real," said the 33-year-old.

"We didn't go out there with enough confidence."

Defensive midfielder Nuri Sahin said Dortmund must improve for the return.

"We weren't without our own chances, but we have to play smarter," he said.

"We had ten chances on the counter-attack, but didn't score. That's bitter.

"It will be difficult for us, you have to be realistic."