Do you have anything to add to his explanation?
Kare no setsumei ni nani ka hosokusuru koto ga arimasu ka.
he; him; his; boyfriend
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
what; how many; you-know-what; that; whatsit; what's the expression; what do you call them; what?; hey!
indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way
thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about
Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: セツ、 ゼイ、 と.く
Meanings: opinion, theory, explanation, rumor
Readings: メイ、 ミョウ、 ミン、 あ.かり、 あか.るい、 あか.るむ、 あか.らむ、 あき.らか、 あ.ける、 -あ.け、 あ.く、 あ.くる、 あ.かす
Meanings: bright, light
Readings: カ、 なに、 なん、 なに-、 なん-
Readings: ホ、 おぎな.う
Meanings: supplement, supply, make good, offset, compensate, assistant, learner
Readings: ソク、 あし、 た.りる、 た.る、 た.す
Meanings: leg, foot, be sufficient, counter for pairs of footwear