たぶん彼は成功するだろう。

たぶん彼は成功するだろう。

The chances are that he will succeed.

たぶん彼(かれ)は成功(せいこう)するだろう。

Tabun kare wa seikōsuru darou.

多分 (たぶん)

perhaps; probably; generous; many; much; great

彼 (かれ)

he; him; his; boyfriend

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

成功 (せいこう)

success; hit

だ (だ)

be; is; indicates past or completed action; indicates light imperative

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: セイ、ジョウ、な.る、な.す、 -な.す

Meanings: turn into, become, get, grow, elapse, reach

Readings: コウ、ク、いさお

Meanings: achievement, merits, success, honor, credit