美 [dʌf ʌp]
痛打：指用力打击或殴打某人，造成身体伤害。
狠揍：指用力猛烈地打击或殴打某人，造成严重身体伤害。
duff up //
动词 to beat or thrash (a person) severely 痛打
狠揍(duff up), 此释义来源于网络辞典。
痛打；狠揍
Catch up with five unforgettable entrepreneurs we featured this year, including rebel baker and reality-TV star Duff Goldman.
跟踪五位令人难忘的创业家，我们曾在今年对其进行特别报道，包括叛逆的面包师与电视真人秀(reality - TV)明星达夫•高曼。
Mark, I'm up the duff.
马克，我怀孕了。
In addition, the duff fuel-dryness severity increased fire control and mop-up difficulties.
半腐层和深层可燃物干燥状况的增加，会加大火灾控制和火场清理的难度。
Damien Duff set up Keane's fifth-minute goal but Dimitris Christofi missed a great chance to level for Cyprus.
Shortly after, he held up a pass from Danny Murphy with his back to goal in the box before teeing up Duff to slam home from 12 yards.
Ferguson might be able to pick up Damien Duff and Simon Davies.