Aston Villa defender Clement Lenglet admits there's frustration after at Manchester United on Tuesday night.
United came from 2-0 down to win 3-2 with Rasmus Hojlund scoring the winner.
Lenglet said: "I'm not sure if we were too comfortable, but I think we started to play more behind. We needed to be more organised and we could have done better.
"The manager said after the game that this a reminder that level in the Premier League is really high. You know when you come to a place like Manchester United it will be really tough.
"When you lead 2-0 you should try to defend that and get a win. It's frustrating.
"We have been brilliant up until this moment."
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