彼は突然わっと泣き出した。

彼は突然わっと泣き出した。

He burst into tears.

彼(かれ)は突然(とつぜん)わっと泣(な)き出(だ)した。

Kare wa totsuzen wa to nakidashita.

彼 (かれ)

he; him; his; boyfriend

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

突然 (とつぜん)

abrupt; sudden; unexpected; all at once

わっ (わっ、ワッ)

boo! (sound used to scare someone); ugh (dissatisfaction, aggravation); ulp (consternation)

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

泣く (なく)

to cry; to weep; to sob; to howl

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: トツ、カ、つ.く

Meanings: stab, protruding, thrust, pierce, prick, collision, sudden

Readings: ゼン、ネン、しか、しか.り、しか.し、さ

Meanings: sort of thing, so, if so, in that case, well

Readings: キュウ、な.く

Meanings: cry, weep, moan

Readings: シュツ、スイ、で.る、 -で、だ.す、 -だ.す、い.でる、い.だす

Meanings: exit, leave, go out, come out, put out, protrude