電話が使えません。

電話が使えません。

The telephone doesn't work.

電話(でんわ)が使(つか)えません。

Denwa ga tsukaemasen.

電話 (でんわ)

telephone call; phone call; telephone (device); phone

が (が)

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

使える (つかえる)

to be usable; to be serviceable; to be useful

Reading: デン

Meaning: electricity

Readings: ワ、はな.す、はなし

Meanings: tale, talk

Readings: シ、つか.う、つか.い、 -つか.い、 -づか.い

Meanings: use, send on a mission, order, messenger, envoy, ambassador, cause