1. Therefore the mind which is free from passions is a citadel, for man has nothing more secure to which he can fly for, refuge and for the future be inexpugnable. 所以,那摆脱了激情的心灵就是一座堡垒,因为人再没有什么比这更安全的。
英英解释
adj.
1. incapable of being overcome, challenged or refuted