How to say he put a lot of time and effort into preparing for the exam. in Japanese
1)
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試験勉強試験勉強(shikenbenkyou) (n) cramming for examsにに(ni) (prt) indicates such things as location of person or thing, location of short-term action, etc.多く多く(ooku) (adv) many/much/largely/abundantly/mostly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時間時間(jikan) (n-adv,n) time/hoursとと(to) (prt,conj) if/when/and/with/particle used for quoting/quoting particle/ promoted pawn/ indicates questionエネルギーエネルギー(enerugi) (n) energy/strength/power/stamina/get-up-and-go/food energy/calories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,費やno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbしし(shi) (num) 10^24/septillion/quadrillionたた(ta) (aux-v) indicate past completed or action/indicates light imperative。。(。) Japanese period "."
