后起之秀的英文：
[Literal Meaning]
later/rise/aux./excellent
an up-and-coming youngster

[解释]
后来出现的或新成长起来的优秀人物。

[Explanation]
an up-and-coming youngster

[例子]
十年来乐坛上出现了很多后起之秀，他们的表演获得了人们的很多赞美。

[Example]
In the last decade, many up-and-coming youngsters emerged and their performances received praises from people.