彼が来週には帰るという保証はない。

Sentence Analyzer

来週 帰る という 保証 ない

English Translation

There is no guarantee that he'll be back next week.

Furigana

(かれ)来週(らいしゅう)には(かえ)るという保証(ほしょう)はない。

Romanji

Kare ga raishū ni wa kaeru toiu hoshō wa nai.

Words

(かれ)
he; him; his; boyfriend
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
来週 (らいしゅう)
next week
()
at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
帰る (かえる)
to return; to come home; to go home; to go back; to leave; to get home; to get to home plate
と言う (という、とゆう)
called; named; as many as; as much as; all X; every X
保証 (ほしょう)
guarantee; security; assurance; pledge; warranty
ない (ない)
not; emphatic suffix

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ライ、 タイ、 く.る、 きた.る、 きた.す、 き.たす、 き.たる、 き、 こ
Meanings: come, due, next, cause, become
Reading: シュウ
Meaning: week
Readings: キ、 かえ.る、 かえ.す、 おく.る、 とつ.ぐ
Meanings: homecoming, arrive at, lead to, result in
Readings: ホ、 ホウ、 たも.つ
Meanings: protect, guarantee, keep, preserve, sustain, support
Readings: ショウ、 あかし
Meanings: evidence, proof, certificate