lead·ing light
noun/ˌliːdɪŋ ˈlaɪt/
/ˌliːdɪŋ ˈlaɪt/
- an important, active or respected person in a particular area of activity
（某活动范围内）重要的活跃人物，受敬重的人物 - She's one of the leading lights in the opera world.
她是歌剧界的一位大腕。
- She's one of the leading lights in the opera world.