It somehow seems hardly surprising that Ms Player is now his sworn enemy.普莱耶女士现在成了他的死敌，不知为什么，这似乎让人觉得不足为怪。He was Jack's sworn enemy.他是杰克不共戴天的敌人。He said that Biblical Christianity is a sworn enemy of all humanistic philosophies.他说以《圣经》为教义的基督教与一切人本主义思想体系之间的矛盾是无法调和的。