retreat into oneself退隐;离群索居
retreat from退出;放弃
1.They glanced at each other, and retreated a step by a common and unconscious impulse.
他们互相看了一眼,由于一种共同的、不知不觉的冲动往后退了一步。
4.The frightened girls retreated to their corner; but the grandmother stepped eagerly forward to assist her son.
受惊的姑娘们退到她们的角落里;但是祖母急切地走上前去,帮助她的儿子。