あなたはずいぶん英語が上達しましたね。

あなたはずいぶん英語が上達しましたね。

You've improved your English.

あなたはずいぶん英語(えいご)が上達(じょうたつ)しましたね。

Anata wa zuibun eigo ga jōtatsushimashita ne.

貴方 (あなた)

you (referring to someone of equal or lower status); dear (what a wife calls a husband)

は (は)

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

随分 (ずいぶん)

very; extremely; surprisingly; considerably; contemptible; reprehensible

英語 (えいご)

English (language)

が (が)

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

上達 (じょうたつ)

improvement (e.g. in skill, ability); advance; progress; communication of opinions of the general populace to those of high rank

ね (ね、ねえ)

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

Readings: エイ、はなぶさ

Meanings: England, English, hero, outstanding, calyx

Readings: ゴ、かた.る、かた.らう

Meanings: word, speech, language

Readings: ジョウ、ショウ、シャン、うえ、 -うえ、うわ-、かみ、あ.げる、 -あ.げる、あ.がる、 -あ.がる、あ.がり、 -あ.がり、のぼ.る、のぼ.り、のぼ.せる、のぼ.す、よ.す

Meanings: above, up

Readings: タツ、ダ、 -たち

Meanings: accomplished, reach, arrive, attain