それが、義男が風邪をひいた理由だ。

Sentence Analyzer

それ 義男 風邪 ひいた 理由

English Translation

This is why Yoshio has caught a cold.

Furigana

それが、義男(よしお)風邪(かぜ)をひいた理由(りゆう)だ。

Romanji

Sore ga, Yoshio ga kaze o hiita riyū da.

Words

其れ (それ)
that (indicating an item or person near the listener, the action of the listener, or something on their mind); it; that time; then; there (indicating a place near the listener); you
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
風邪 (かぜ、ふうじゃ)
common cold; cold; influenza; flu; ague
()
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
轢く (ひく)
to run somebody over (with vehicle); to knock someone down
理由 (りゆう、わけ)
reason; pretext; motive
()
be; is; indicates past or completed action; indicates light imperative

Kanji

Reading: 
Meanings: righteousness, justice, morality, honor, loyalty, meaning
Readings: ダン、 ナン、 おとこ、 お
Meaning: male
Readings: フウ、 フ、 かぜ、 かざ-、 -かぜ
Meanings: wind, air, style, manner
Readings: ジャ、 よこし.ま
Meanings: wicked, injustice, wrong
Readings: リ、 ことわり
Meanings: logic, arrangement, reason, justice, truth
Readings: ユ、 ユウ、 ユイ、 よし、 よ.る
Meanings: wherefore, a reason