太った女性が歌うまでオペラは終わらない。

The opera ain't over till the fat lady sings.

太(ふと)った女性(じょせい)が歌(うた)うまでオペラは終(お)わらない。

Futotta josei ga utau made opera wa owaranai.

太る (ふとる)

to grow fat (stout, plump); to become fat; to gain weight

女性 (じょせい、にょしょう)

woman; female; feminine gender

が (が)

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

歌う (うたう)

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

迄 (まで)

until (a time); till; to; up to; to (a place); as far as; to (an extent); up to; so far as; even; only; merely

オペラ (オペラ)

opera

は (は)

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

終わる (おわる)

to finish; to end; to close

Readings: タイ、タ、ふと.い、ふと.る

Meanings: plump, thick, big around

Readings: ジョ、ニョ、ニョウ、おんな、め

Meanings: woman, female

Readings: セイ、ショウ、さが

Meanings: sex, gender, nature

Readings: カ、うた、うた.う

Meanings: song, sing

Readings: シュウ、お.わる、 -お.わる、おわ.る、お.える、つい、つい.に

Meanings: end, finish