エレベータが故障していたので、私たちは５階まで歩いていかねばならなかった。

The elevator was out of order and we had to walk to the fifth floor.

エレベータが故障(こしょう)していたので、私(わたし)たちは５階(かい)まで歩(ある)いていかねばならなかった。

Erebe-ta ga koshōshiteita node, watashitachi wa go kai made aruiteikanebanaranakatta.

エレベーター (エレベーター、エレベータ)

elevator; lift; elevator (aviation)

が (が)

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

故障 (こしょう)

breakdown; failure; fault; accident; out of order; damage; hurt; objection; protest

ので (ので、んで)

that being the case; because of ...; the reason is ....; given that...

私たち (わたしたち、わたくしたち)

we; us

は (は)

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

五 (ご、いつ、い)

five

階 (かい)

storey; story; floor; stairs; stage (in chronostratigraphy); counter for storeys and floors of a building

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

歩く (あるく)

to walk

Readings: コ、ゆえ、ふる.い、もと

Meanings: happenstance, especially, intentionally, reason, cause, circumstances, the late, therefore, consequently

Readings: ショウ、さわ.る

Meanings: hinder, hurt, harm

Readings: シ、わたくし、わたし

Meanings: private, I, me

Readings: カイ、きざはし

Meanings: storey, stair, counter for storeys of a building

Readings: ホ、ブ、フ、ある.く、あゆ.む

Meanings: walk, counter for steps