精于世故 meaning in English

know what o'olock [time] it is

The count was quite good for affairs of the world .
那伯爵是个精于世故的人。
She is considered by all of us a sophisticated girl
大家都觉得她是一个精于世故的女孩。
And you have derived pleasure from occasional tokens of preference - equivocal tokens shown by a gentleman of family and a man of the world to a dependant and a novice . how dared you
而你却因为人家偶尔表示了喜欢便乐滋滋的，殊不知这是一个出身名门的绅士，一个精于世故的人对一个下属一个初出毛庐的人所作的暧昧表示。