上級者が英語力（特に読解力）をつけたければ、語彙を増やすのが王道ですね。

Sentence Analyzer

English Translation

If the more advanced want to improve English ability (especially reading comprehension) increasing vocabulary is the way to go.

Furigana

上級者(じょうきゅうしゃ)が英語力(えいごりょく)（特(とく)に読解力(どっかいりょく)）をつけたければ、語彙(ごい)を増(ふ)やすのが王道(おうどう)ですね。

Romanji

Jōkyūsha ga eigoryoku tokuni dokkairyoku o tsuketakereba, goi o fuyasu no ga ōdō desu ne.

Words

上級者 (じょうきゅうしゃ)

advanced student; advanced learner; advanced practitioner; experienced person

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

英語力 (えいごりょく)

command of English; proficiency in English; knowledge of English

特に (とくに)

particularly; especially

読解力 (どっかいりょく)

reading comprehension; ability to read and understand

を (を)

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

点ける (つける)

to turn on; to switch on; to light up

語彙 (ごい)

vocabulary; lexicon; lexis; terminology

殖やす (ふやす)

to increase; to add to; to augment

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

王道 (おうどう)

righteous government; just rule; kingship; rule of right; noble path; easy method; simple approach; short-cut; royal road

です (です)

be; is

ね (ね、ねえ)

indicates emphasis, agreement, request for confirmation, etc.; is it so; hey; come on; listen; not