How to say he exerted himself to solve the problem. 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そのその(sono) (n,n-suf) that/garden/orchard/park/plantation/place/location問題問題(mondai) (n) problem/question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,解こno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbうとうと(uto) (n) sun and moon/time/the years/the months努力努力(doryoku) (n,vs) great effort/exertion/endeavour/endeavor/effortしたした(shita) (n) did/a past form of the previous verb/tongue/tongue-like object/clapper/talon。。(。) Japanese period "."
