N-COUNT [usually NOUN n]巨子;巨人;成就非凡的人 If you describe someone as a titan of a particular field, you mean that they are very important and powerful or successful in that field. 巨子;巨人;成就非凡的人 [Also + of]
...the country's two richest business titans.
该国最富有的两位商业巨子
…the titans of Renaissance literature: Spenser, Shakespeare, Donne and Milton.