彼女はまもなく戻るだろう。

彼女はまもなく戻るだろう。

It will not be long before she comes back.

彼女(かのじょ)はまもなく戻(もど)るだろう。

Kanojo wa mamonaku modoru darou.

彼女 (かのじょ)

she; her; her; girlfriend; sweetheart

は (は)

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

間もなく (まもなく)

soon; before long; in a short time; lacking time to ...; without time to ...

戻る (もどる)

to turn back (e.g. half-way); to return; to go back; to recover (e.g. something lost); to be returned; to rebound; to spring back

だ (だ)

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

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: ジョ、ニョ、ニョウ、おんな、め

Meanings: woman, female

Readings: レイ、もど.す、もど.る

Meanings: re-, return, revert, resume, restore, go backwards