apprehensive 忧虑的，担心的
例：He felt apprehensive about going home. 对于回家他觉得担心。
派生词：apprehend 理解；逮捕
analogy 类似，相似，类比
例：Some people take the analogy of high science and technology in modern times to the incomparable sharp edges of a sword.
有人把现代高科技比喻为一把锋利无比的双刃剑。
同义词：similarity，parallelism
派生词：analogous 相似的，类似的
