ADJ [ADJ n]十足的;完全的;彻头彻尾的 You use out-and-out to emphasize that someone or something has all the characteristics of a particular type of person or thing. 十足的;完全的;彻头彻尾的 [emphasis]
The Olympic theme tune 'Amigos para Siempre' (Friends for Life) proved an out-and-out success.
结果证明奥运会主题歌《永远的朋友》极为成功。
Much of what has been written about us is out-and-out lies.