How to say he tried to concentrate on the letter. 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、、(、) Japanese commaそのその(sono) (n,n-suf) that/garden/orchard/park/plantation/place/location手紙手紙(tegami) (n,adj-no) letterにに(ni) (prt) indicates such things as location of person or thing, location of short-term action, etc.注意注意(chuui) (n,vs) caution/being careful/attention/warning/advice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,集中集中(shuuchuu) (n,vs,adj-no) concentration/convergence/centralization/integration/gathering togetherしし(shi) (num) 10^24/septillion/quadrillionようとようと(youto) (n) use/usefulness/utility/service/purpose努めno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbたた(ta) (aux-v) indicate past completed or action/indicates light imperative。。(。) Japanese period "."
