顕著 (kencho: evident, remarkable) apparent + conspicuous
彼は中国古代史の研究において顕著な功績を収めた。
Kare wa Chūgoku kodaishi no kenkyū ni oite kenchona kōseki o osameta.
He made remarkable achievements in studying the history of ancient China.彼 (kare: he)
中国 (Chūgoku: China) China + country
古代史 (kodaishi: ancient history)
ancient + era + history
研究 (kenkyū: research)
to research + to study exhaustively
おいて (oite: in the field of)People usually write this in hiragana, but there is a kanji for it: 於て (oite: at, in on). One might imagine that oite is a conjugation of some verb. Another yomi of 於 is (o(keru)), which certainly looks like a verb. But the meaning is, once again, “in, at.”
功績 (kōseki: achievements) merit + achievements
収 (osa(meru): to achieve)
