How to say with all his efforts, he failed the test. in Japanese
1)
努力努力(doryoku) (n,vs) great effort/exertion/endeavour/endeavor/effortしし(shi) (num) 10^24/septillion/quadrillionたにもかかわらず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そのその(sono) (n,n-suf) that/garden/orchard/park/plantation/place/location試験試験(shiken) (n,vs) examination/test/study/trial/experimentにに(ni) (prt) indicates such things as location of person or thing, location of short-term action, etc.失敗失敗(shippai) (n,adj-no,vs) failure/mistake/blunderしたした(shita) (n) did/a past form of the previous verb/tongue/tongue-like object/clapper/talon。。(。) Japanese period "."
