1. The latter approach provides better performance because it avoids impersonation altogether. 后一种方法提供的性能更佳，因为它完全避免了模拟。
2. My husband drank a bit too much at the party and did his Elvis Presley impersonation-it really brought the house down. 我丈夫在聚会上喝多了一点，扮演的埃尔维斯普雷斯利很具有人格化——真的博得了大家的喝采。
3. An identification scheme based on ID cryptosystem is analyzed and shown to suffer from reset attacks and impersonation attacks. 分析并证明了一个基于ID的身份认证方案易受重置攻击，从而导致方案在冒充攻击下是不安全的。
英英解释
n.
1. a representation of a person that is exaggerated for comic effect
2. pretending to be another person
3. imitating the mannerisms of another person
