smug
adj
(-gger, -ggest) (usu derog 通常作贬义) too pleased with or proud of oneself, one's achievements, etc; self-satisfied 沾沾自喜的; 自满的; 自鸣得意的
a life of smug respectability 沾沾自喜的体面生活
smug optimism 自鸣得意的乐观态度.
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大,但人口却只有一千六百五十万。
I must concentrate on my new task.
我必须专注于我的新工作。
At the time of his death, one person praised him as follows: Future generations, it may be, will hardly believe that such a person as this walked upon this earth.