この病気の原因については、ほとんどわかっていない。
Sentence Analyzer
English Translation
We know very little about the cause of this disease.
Furigana
この病気 の原因 については、ほとんどわかっていない。
Romanji
Kono byōki no gen'in nitsuite wa, hotondo wakatteinai.
Words
此の
(この)
this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)
病気
(びょうき)
illness; disease; sickness
の
(の)
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
原因
(げんいん)
cause; origin; source
に就いて
(について)
concerning; regarding; per (e.g. 100 yen per person); for every
は
(は)
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
殆ど
(ほとんど)
mostly; nearly; practically; well-nigh; almost invariably; all but; just about; almost
分かる
(わかる)
to understand; to comprehend; to grasp; to see; to get; to follow; to become clear; to be known; to be discovered; to be realized; to be realised; to be found out
Kanji
Readings: ビョウ、 ヘイ、 や.む、 -や.み、 やまい
Meanings: ill, sick
Readings: キ、 ケ、 いき
Meanings: spirit, mind, air, atmosphere, mood
Readings: ゲン、 はら
Meanings: meadow, original, primitive, field, plain, prairie, tundra, wilderness
Readings: イン、 よ.る、 ちな.む
Meanings: cause, factor, be associated with, depend on, be limited to