每一位领袖都在精心准备，生怕辩论场上的任何洋相令自己的党派丢掉大选，而是至今日，还没有谁干出些搬石头砸自己脚的蠢事。
Each leader has been carefully groomed to avoid the sort of gaffes that could cost his party the election, and thus far, not one has shot himself in the foot.