Klopp furious about Liverpool defending after Spurs defeat
Liverpool were convincingly beaten 4-1 by Tottenham on Sunday with individual errors by the likes of Dejan Lovren being ruthlessly capitalised on.
The result means Liverpool have now conceded 15 goals away from home this season which is the most by any club in the league.
Critics have been damning about Klopp's defensive failings and after the match, he accepted responsibility for Liverpool's problems.
But Coutinho has revealed the Liverpool boss has told the players how to stop the goals they have been conceding.
Reuters
Philippe Coutinho says Liverpool must improve their defending
Klopp speaks a lot about this - we've conceded a lot of goals like this
Philippe Coutinho
He told ESPN Brazil: "The goals were goals that could have been prevented. It started out wide and we end up conceding one of those goals the manager speaks about.
"He speaks a lot about this - we've conceded a lot of goals like this. And obviously in attack we were unable to score the goals necessary to draw or turn around the game.
"We were in the game during the first-half then the goal we conceded made everything worse."
Coutinho, who was denied by fine saves from Hugo Lloris, has urged his team-mates to show more concentration in games.
PA
Jurgen Klopp took responsibility for Liverpool's defending
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He added: "The first goal started in a wide position where everyone is involved in defending, not just the players right at the back.
"We have to improve this as quickly as possible in order to win games and fight more. With difficult games like this one, we know it's these things that decide them. So we need to concentrate more to deal with balls like this.
"The first goal was scored after four minutes and the second one after 12 or 13. It's difficult to play away from home against a strong team when you start like that.
"We have to work hard. Those passages of play, those set pieces from wide positions. We have to concentrate more to deal with them."