Dele Alli has admitted his Tottenham Hotspur team were guilty of complacency in the shock defeat by Wolves that derailed their Premier League title bid.
But the England midfielder has insisted there will be no repeat of that error as Mauricio Pochettino's team chase silverware on four fronts in 2019.
That task will be made harder by the impending loss of in-form South Korean international Son Heung-min, who will be absent for a month as he represents his country at the Asian Cup in the United Arab Emirates.
But having ended 2018 with that shock 3-1 home loss to Wolves in the league, Spurs responded with a 3-0 victory at Cardiff and Friday's 7-0 FA Cup success at fourth-tier Tranmere Rovers.
That performance on Merseyside suggested Alli and his team-mates had learnt a painful lesson from the Wolves defeat.
"I don't think the manager needed to say too much after that, to be honest, as players we were disappointed," he said.
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"We had been in great form before that and maybe we got a little bit carried away with ourselves.
"They're a fantastic team and maybe we just thought we would win the game. But you can't do that if you want to win things and be a top, top team.
"You have to be clinical and ruthless in every game and you can't afford to take your foot off the gas and we all had a look at ourselves after and we know we can't let that happen."
- 'Unbelievable' Son -
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"But who knows? Lucas (Moura) is a fantastic player as well, or whoever the manager decodes to put in. It will change for different games, the team always does, and everyone has been working hard."