young blood ( synonym found)
Definition of young blood:

(n) : young people; youth; youthful, revitalising or youth-oriented ideas
"young blood must have its course, lad, and every dog its day. - Charles Kingsley"
Definition of young blood:

(n) : young people; youth; youthful, revitalising or youth-oriented ideas
"young blood must have its course, lad, and every dog its day. - Charles Kingsley"
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