もう一度戦争があれば、我々は皆死ぬだろう。

Another war, and we all will be killed.

もう一度(いちど)戦争(せんそう)があれば、我々(われわれ)は皆(みな)死(し)ぬだろう。

Mōichido sensō ga areba, wareware wa mina shinu darou.

もう一度 (もういちど)

once more; again

戦争 (せんそう)

war

が (が)

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

有る (ある)

to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about

我々 (われわれ)

は (は)

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

皆 (みな、みんな)

all; everyone; everybody; everything

死ぬ (しぬ)

to die; to pass away; to lose spirit; to lose vigor; to look dead; to cease; to stop

だ (だ)

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

Readings: イチ、イツ、ひと-、ひと.つ

Meanings: one, one radical (no.1)

Readings: ド、ト、タク、たび、 -た.い

Meanings: degrees, occurrence, time, counter for occurrences, consider, attitude

Readings: セン、いくさ、たたか.う、おのの.く、そよ.ぐ、わなな.く

Meanings: war, battle, match

Readings: ソウ、あらそ.う、いか.でか

Meanings: contend, dispute, argue

Readings: ガ、われ、わ、わ.が-、わが-

Meanings: ego, I, selfish, our, oneself

Readings: カイ、みな、みんな

Meanings: all, everything

Readings: シ、し.ぬ、し.に-

Meanings: death, die