しばらくあなたは通院する必要があります。

You'll have to visit me regularly for a while.

しばらくあなたは通院(つういん)する必要(ひつよう)があります。

Shibaraku anata wa tsūinsuru hitsuyō ga arimasu.

暫く (しばらく、しゅゆ、すゆ)

little while; short while; moment; instant; a while; quite a time; it's been a long time

貴方 (あなた)

you (referring to someone of equal or lower status); dear (what a wife calls a husband)

は (は)

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

通院 (つういん)

commuting to hospital

必要 (ひつよう)

necessary; needed; essential; indispensable; necessity; need; requirement

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

Readings: ツウ、ツ、とお.る、とお.り、 -とお.り、 -どお.り、とお.す、とお.し、 -どお.し、かよ.う

Meanings: traffic, pass through, avenue, commute, counter for letters, notes, documents, etc.

Reading: イン

Meanings: Inst., institution, temple, mansion, school

Readings: ヒツ、かなら.ず

Meanings: invariably, certain, inevitable

Readings: ヨウ、い.る、かなめ

Meanings: need, main point, essence, pivot, key to