いったん結婚したらおしまいだよ。

いったん結婚したらおしまいだよ。

Once you are married, you are done for.

いったん結婚(けっこん)したらおしまいだよ。

Ittan kekkonshitara oshimai da yo.

一旦 (いったん)

once; for a moment; temporarily; one morning

結婚 (けっこん)

marriage

お仕舞い (おしまい)

the end; closing; being done for; That's it; That's enough; That's all

だ (だ)

be; is; indicates past or completed action; indicates light imperative

よ (よ)

indicates certainty, emphasis, contempt, request, etc.; used when calling out to someone; used to catch one's breath or get someone's attention; yo!

Readings: ケツ、ケチ、むす.ぶ、ゆ.う、ゆ.わえる

Meanings: tie, bind, contract, join, organize, do up hair, fasten

Reading: コン

Meaning: marriage