彼は当時もっとも偉大な偉大な作家とみなされていた。

He was regarded as the greatest writer of the day.

彼(かれ)は当時(とうじ)もっとも偉大(いだい)な偉大(いだい)な作家(さっか)とみなされていた。

Kare wa tōji mottomo idaina idaina sakka to minasareteita.

彼 (かれ)

he; him; his; boyfriend

は (は)

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

当時 (とうじ)

at that time; in those days

最も (もっとも、もとも)

most; extremely

偉大 (いだい)

greatness

作家 (さっか)

author; writer; novelist; artist

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

見なす (みなす)

to consider as; to regard (as equivalent); to deem (as); to equate

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: トウ、あ.たる、あ.たり、あ.てる、あ.て、まさ.に、まさ.にべし

Meanings: hit, right, appropriate, himself

Readings: ジ、とき、 -どき

Meanings: time, hour

Readings: イ、えら.い

Meanings: admirable, greatness, remarkable, conceited, famous, excellent

Readings: ダイ、タイ、おお-、おお.きい、 -おお.いに

Meanings: large, big

Readings: サク、サ、つく.る、つく.り、 -づく.り

Meanings: make, production, prepare, build

Readings: カ、ケ、いえ、や、うち

Meanings: house, home, family, professional, expert, performer