Wednesday 30 September 2015 10:43, UK
Geoff Parling admits England players are facing the "game of our lives" against Australia on Saturday.
Last weekend's dramatic 28-25 defeat to Wales means England realistically must beat the Wallabies at Twickenham to have any chance of advancing to the quarter-finals of the World Cup.
Parling, who looks likely to have a new second-row partner on Saturday with Courtney Lawes a doubt for the game with a knee injury, admits England must be more clinical against the Aussies.
England led by 10 points against the Welsh, but allowed Warren Gatland's men to claw their way back into the match.
"When you are 10 points up in a game like that, you get a couple more penalties or the next try - suddenly the other team is chasing it and they do what they're not meant to do," said the Exeter lock.
"We get ourselves in good positions, we have just got to finish them off.
"We allowed them back in it when we were 10 points up - take everything else out of it. When we get ahead, stay ahead and keep going ahead. Get our foot on them and don't let them get back up.
"I think we showed for 50 minutes that when we focus on us, we get what we do right and we do it well - we are a very good team. We have got to keep that going."
Parling admits that all thoughts of playing in the latter stages of the competition are on hold.
"Our World Cup final has just come a little bit earlier, hasn't it?" he said. "We're up for a massive game this weekend.
"The hunger is unbelievable. We have been building towards this World Cup for a long, long time. We know we probably threw away an opportunity last weekend and we do not want to repeat that. This is the game of our lives.
"This is everything to me, it's everything to the other players, to the staff - get behind us and back us because we are doing everything we can to give the best account of ourselves at the weekend and I'm sure we will."
