tailgate /ˈteɪlˌɡeɪt/ ( tailgating, tailgated, tailgates )

• 1. 

  N-COUNT A tailgate is a door at the back of a truck or car, that is hinged at the bottom so that it opens downward. (铰链在下的)后背门

• 2. 

  V-T/V-I If you tailgate someone, you drive very closely behind them. 开车紧随…

  例：

  Perhaps the fact that the car was tailgating him made him accelerate.

  很可能是因为那辆车跟得太紧，他才加速的。

  例：

  Police pulled him over for doing 90 mph, making rapid changes and tailgating.

  警察命令他靠边停下，因为他驾车时速高达90英里、快速变道而且紧贴前面的车辆。