彼は何と言ってよいのやらわからなかった。

Sentence Analyzer

言って よい やら わからなかった

English Translation

He did not know what to say.

Furigana

(かれ)(なに)()ってよいのやらわからなかった。

Romanji

Kare wa nani to itte yoi no yara wakaranakatta.

Words

(かれ)
he; him; his; boyfriend
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
(なに、なん)
what; how many; you-know-what; that; whatsit; what's the expression; what do you call them; what?; hey!
()
if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)
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
良い (よい)
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
やら (やら)
denotes uncertainty; such things as A and B; A and B and so on; A and B and the like; A and B and whatnot
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

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: カ、 なに、 なん、 なに-、 なん-
Meaning: what
Readings: ゲン、 ゴン、 い.う、 こと
Meanings: say, word