何を言っていいのか分からなかったので、彼は黙っていた。

Sentence Analyzer

言って いい 分からなかった ので 黙っていた

English Translation

Not knowing what to say, he remained silent.

Furigana

(なに)()っていいのか()からなかったので、(かれ)(だま)っていた。

Romanji

Nani o itte ii no ka wakaranakatta node, kare wa damatteita.

Words

(なに、なん)
what; how many; you-know-what; that; whatsit; what's the expression; what do you call them; what?; hey!
()
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
言う (いう、ゆう)
to say; to utter; to declare; to name; to call; to go (e.g. "the alarm went ping"); to make a noise
いい (いい)
good; excellent; fine; nice; pleasant; agreeable; sufficient (can be used to turn down an offer); ready; prepared; profitable (e.g. deal, business offer, etc.); beneficial; OK
()
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
()
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
分かる (わかる)
to understand; to comprehend; to grasp; to see; to get; to follow; to become clear; to be known; to be discovered; to be realized; to be realised; to be found out
ので (ので、んで)
that being the case; because of ...; the reason is ....; given that...
(かれ)
he; him; his; boyfriend
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
黙る (だまる)
to be silent

Kanji

Readings: カ、 なに、 なん、 なに-、 なん-
Meaning: what
Readings: ゲン、 ゴン、 い.う、 こと
Meanings: say, word
Readings: ブン、 フン、 ブ、 わ.ける、 わ.け、 わ.かれる、 わ.かる、 わ.かつ
Meanings: part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100
Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: モク、 ボク、 だま.る、 もだ.す
Meanings: silence, become silent, stop speaking, leave as is