彼を見ると、笑わないではいられないだろう。

Sentence Analyzer

見る 笑わないで いられない だろう

English Translation

To look at him, you couldn't help laughing.

Furigana

(かれ)()ると、(わら)わないではいられないだろう。

Romanji

Kare o miru to, warawanaide wa irarenai darou.

Words

(かれ)
he; him; his; boyfriend
()
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.
見る (みる)
to see; to look; to watch; to view; to observe; to look over; to look on; to assess; to examine; to judge; to look after; to keep an eye on; to take care of; to view (e.g. flowers, movie); to try; to try out; to see that...; to find that...
()
if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)
笑う (わらう)
to laugh; to smile; to sneer; to ridicule; to be dumbfounded; to be flabbergasted
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
要る (いる)
to need; to want
()
be; is; indicates past or completed action; indicates light imperative

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ケン、 み.る、 み.える、 み.せる
Meanings: see, hopes, chances, idea, opinion, look at, visible
Readings: ショウ、 わら.う、 え.む
Meaning: laugh