Correct

年富力强

/ nián fù lì jiàng / 
Strokes

Definition

young and vigorous (idiom)

Example

Definition

in one's prime of life; in one's prime and full of vigour; in the prime of time; be young and energetic; in the prime of life and full of vitality

1
Tíbá
提拔
niánfùlìjiàng
年富力强
de
的
gànbù
干部

promote office workers who are in their prime of life