彼らは努力して成功した。

彼らは努力して成功した。

Their effort resulted in success.

彼(かれ)らは努力(どりょく)して成功(せいこう)した。

Karera wa doryokushite seikōshita.

彼ら (かれら)

they (usually male); them

は (は)

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

努力 (どりょく)

great effort; exertion; endeavour; endeavor; effort

成功 (せいこう)

success; hit

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: ド、つと.める

Meanings: toil, diligent, as much as possible

Readings: リョク、リキ、リイ、ちから

Meanings: power, strength, strong, strain, bear up, exert

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