お母さんが突然歌い始めた。

お母さんが突然歌い始めた。

All of a sudden, my mother began to sing.

お母(かあ)さんが突然(とつぜん)歌(うたはじ)い始()めた。

Okāsan ga totsuzen utaihajimeta.

お母さん (おかあさん)

mother

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

突然 (とつぜん)

abrupt; sudden; unexpected; all at once

歌う (うたう)

to sing; to sing (one's praises in a poem, etc.); to compose a poem; to recite a poem

Readings: ボ、はは、も

Meaning: mother

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: カ、うた、うた.う

Meanings: song, sing

Readings: シ、はじ.める、 -はじ.める、はじ.まる

Meanings: commence, begin