the expense of 以......为代价，靠牺牲......；in the way of 碍......事；at the risk of 冒......的危险：1)He devoted his time to football at the expense of his studies.(他牺牲学习把时间都花在足球上。) 2)Her social lift got in the way of her studies.(她的社交生活妨碍了她的学习。) 3)We do this at the risk of our lives and liberties.(我们冒丢掉生命和丧失自由的危险做这件事。)本题译文：显然，这家小杂铺任凭其债主的摆布。题目3：Voices were _____ as the argument between the two motorists became more bad-tempered.