Then, catching hold of the bridle, he gave his jaw a sharp wrench, by way of gentle reminder that he was not his own master; and by these means turned him round.

然后，他抓住缰绳，狠狠地咬了咬自己的下巴，温和地提醒他，他不是自己的主人；并通过这些方法使他转过身来。