彼が何を言いたかったのかあとでやっと分かった

N5 彼 kare he N5 何 nani / nan what N4 やっと yatto finally, at last, barely N3 分 bu dividing, part, segment

N3 彼 hi / kare, kano, ka.no he, that, the N5 何 ka / nani, nan, nani-, nan- what, quoi, qué N4 言 gen, gon / i.u, koto say, word, dire N3 分 bun, fun, bu / wa.keru, wa.ke, wa.kareru, wa.karu, wa.katsu part, minute of time, segment

N5 〜たい tai Indicates speaker desire to perform an action, attaches to verb stem, equivalent to want to do something N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context 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 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options