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.
該國最富有的兩位商業巨子
…the titans of Renaissance literature: Spenser, Shakespeare, Donne and Milton.