1. an act of betrayal;

   "he gave us the old double cross"
   "I could no longer tolerate his impudent double-crossing"
   

After escaping a gang of double-crossing Columbians and a chainsaw, Tony's raw and determined spirit wins Frank's respect and employ.

经过被欺骗从哥伦比亚人团伙中逃脱出来之后，托尼的冷静及果断的性格受到弗兰克的尊重并受到重用。

By means of intervarietal crossing and linear selection, the new rape variety "Youyan No. 1" of low erucic acid and "Youyan No. 2" of "Double Low"(low erucic acid and low glusosiolate) have been bred.

通过品种间杂交和系谱法选择，育成了甘兰型低芥酸油菜新品种“油研1号”和甘兰型“双低”油菜新品种“油研2号”。

On the first floor, four bedrooms with double brick wall insulated and timber sliding louvers to prevent from direct sun light and allow crossing ventilation.

在二楼，四个卧室安装了双层砖墙和防止阳光直射、允许空气流通的木质滑动百叶窗。