虽然他有通行证，卫兵还是直勾勾地盯着他。The guard eyeballed him pretty hard despite his pass.我弄到了进兵营的通行证。I got myself a pass into the barracks.我用这张通行证可以半价乘火车.This pass enables me to travel half - price on trains....

“通行证”的英语可以翻译为：pass，[经] pass check，laissez-passer，passport，permit...