彼女、今回の出来事は彼にとって相当な試練になった

N5 彼女 kanojo she N5 彼 kare he N3 今回 konkai this time, this occasion N3 出来事 dekigoto incident happening, event N1 とって totte handle, grip, knob N3 相当 soutou considerable, fairly, equivalent

N4 試 shi / kokoro.miru, tame.su test, try, attempt N2 練 ren / ne.ru, ne.ri practice, gloss, train

N4 〜にとって ni totte Indicates viewpoint, evaluation, or importance for someone, attaches to a noun, means for or from the viewpoint of N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜と to Indicates company, quotation, natural condition, complete list, or direct connection between elements N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information