彼はその約束のことなんかまったく忘れてしまったにちがいない。

Sentence Analyzer

その 約束 こと なんか まったく 忘れてしまった ちがいない

English Translation

He must have forgotten all about the promise.

Furigana

(かれ)はその約束(やくそく)のことなんかまったく(わす)れてしまったにちがいない。

Romanji

Kare wa sono yakusoku no koto nanka mattaku wasureteshimatta ni chigainai.

Words

(かれ)
he; him; his; boyfriend
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
其の (その)
that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...
約束 (やくそく)
promise; agreement; arrangement; one's word; contract; pact; appointment; engagement; date; convention; rule; destiny; fate
()
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
(こと、こん)
thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as
なんか (なんか)
things like ...; or something like that ... (often derogatory)
全く (まったく)
really; truly; entirely; completely; wholly; perfectly; indeed; good grief (expression of exasperation)
忘れる (わすれる)
to forget; to leave carelessly; to be forgetful of; to forget about; to forget (an article)
()
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
近い (ちかい)
near; close; short (distance)

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ヤク、 つづ.まる、 つづ.める、 つづま.やか
Meanings: promise, approximately, shrink
Readings: ソク、 たば、 たば.ねる、 つか、 つか.ねる
Meanings: bundle, sheaf, ream, tie in bundles, govern, manage, control
Readings: ボウ、 わす.れる
Meaning: forget