He was deeply ambitious to the cause of promoting psychoanalysis, to the cause of presenting his view and defending it, and he was often dishonest, extremely brutal to his friends, and terrible to his enemies.

他雄心勃勃,想要壮大精神分析，想要向世人展示他的观点,想要为其观点进行辩护，他还经常说谎，对朋友蛮不讲理，对竞争对手也毫不留情。

耶鲁公开课 - 心理学导论课程节选

It's a pretty active area.

这片地区生机勃勃。

旧金山的夜生活 - SpeakingMax英语口语达人