all of a piece with造句

• Rostov himself drew back his legs and drew in his stomach, and feeling himself all of a piece with his horse, rode by the tsar with a frowning but blissful face, looking a regular devil, as denisov used to say . bravo, pavlograds ! said the tsar
  罗斯托夫本人，把腿向后伸，收缩腹部，他觉得自己和马合为一体，他蹙起了额角，显露出怡然自得的神色，就像杰尼索夫所说的那样，魔鬼一般地从国王身边奔驰过去了。