彼の理論だった説得力にはかなわなかった。

Sentence Analyzer

English Translation

We could not resist the force of his logic.

Furigana

彼(かれ)の理論(りろん)だった説得力(せっとくりょく)にはかなわなかった。

Romanji

Kare no riron datta settokuryoku ni wa kanawanakatta.

Words

彼 (かれ)

he; him; his; boyfriend

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

理論 (りろん)

theory

だ (だ)

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

説得力 (せっとくりょく)

persuasiveness; persuasive power

に (に)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

は (は)

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

叶う (かなう)

to come true (wish); to be suited; to match (implies competition); to rival; to bear (e.g. I can't bear the heat)