How to say indeed he is young, but smart for his age in Japanese
1)
なな(na) (prt) connects adj to noun/indicates emotion or emphasis/command/prohibitionるほどno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb、、(、) Japanese comma彼彼(kare) (ok) that , or something understood without naming it directly)/that person/over there/hey/eh?/thatはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh若い若い(wakai) (adj-i) youngがが(ga) (prt) indicates sentence subject/indicates possessive/but/however/still/and、、(、) Japanese comma年年(nen) (ctr) counter for yearsのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates question割割(wari) (n,n-suf) rate/ratio/proportion/percentage/profit/assignment/10%/unit of ten percent/match/schedule of matches/diluted with/mixed withにはには(niha) (prt) for/in order to賢い賢い(kashikoi) (adj-i) wise/clever/smart。。(。) Japanese period "."
