Surrey opener Jason Roy has admitted that England have not been at their best in this month's two heavy Twenty20 defeats to Australia.
England have only made 155 and 137 runs in their 20 overs and been beaten by five and then seven wickets.
On Tuesday England take on New Zealand in their latest Twenty20 tri-series match in Wellington and captain Eoin Morgan may miss it because of a groin injury.
England are 4/6 to win the match while the Black Cats can be backed at 6/5 to come out on top.
"We've under-performed as a team and because of that we've got a bee in our bonnet," said Roy, 7/2 to be England's top batsman on Tuesday. "We want to make sure the next game is a strong performance.
"It's not just about being aggressive and hitting the ball out of the park, it's recognising we've got the firepower and being smarter with it.
"Playing aggressive cricket, an aggressive brand and all that, that's not just what we're about. In the past we've played a lot smarter cricket. It's been hugely frustrating because of the line-up we've got."
New Zealand (from): Martin Guptill, Colin Munro, Kane Williamson, Ross Taylor, Anaru Kitchen, Mark Chapman, Colin de Grandhomme, Tim Seifert, Mitchell Santner, Tim Southee, Ish Sodhi, Trent Boult, Ben Wheeler.
England (from): Jason Roy, Alex Hales, Jake Ball, Dawid Malan, James Vince, Eoin Morgan, Jos Buttler, Sam Billings, Liam Dawson, David Willey, Adil Rashid, Chris Jordan, Tom Curran, Sam Curran, Liam Plunkett, Ben Stokes, Mark Wood.
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