Correct
盛年
/ shèngnián /
Strokes
Definition
the prime of one's life
Example
As a Noun
robust years of one's life; prime of life
1
Tā
他
zài
在
shèngnián
盛年
shí
时
qùshì
去世
。
He died in the prime of his life. / He died in his prime.
2
Zhèngzhí
正值
shèngnián
盛年
in one's prime