How to say they were too naive to understand the necessity of studying. in Japanese
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彼ら彼ら(karera) (n,adj-no) those/theyはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh幼稚幼稚(youchi) (adj-na,n,adj-no) infancy/childish/infantileすぎてno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb学ぶ学ぶ(manabu) (v5b) to study/to learn/to take lessons inことこと(koto) (prt) particle indicating a command/particle indicating mild enthusiasm/particle indicating a gentle interrogative/particle used to soften a judgment or conclusion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必要性必要性(hitsuyousei) (n) necessityをを(wo) (prt) indicates direct object of action/indicates subject of causative expression/indicates an area traversed/indicates time over which action takes place/indicates point of departure or separation of action/indicates object of desire, like, hate,理解理解(rikai) (n,vs) understanding/comprehension/appreciation/sympathyでで(de) (prt) indicates location of action/at/in/indicates time of action/indicates means of action/cause of effect/by/and then/so/indicates continuing action/ indicates certainty, emphasis, etc.きなかったno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb。。(。) Japanese period "."
