彼女はテニスは上手いが、水泳は下手だ。

彼女はテニスは上手いが、水泳は下手だ。

She's very good at tennis, but she's not much of a swimmer.

彼女(かのじょ)はテニスは上手(うま)いが、水泳(すいえい)は下手(へた)だ。

Kanojo wa tenisu wa umai ga, suiei wa heta da.

彼女 (かのじょ)

she; her; her; girlfriend; sweetheart

は (は)

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

テニス (テニス)

tennis

上手い (うまい)

skillful; skilful; clever; expert; wise; successful; delicious; appetizing; appetising; tasty; fortunate; splendid; promising

が (が)

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

水泳 (すいえい)

swimming

下手 (へた)

unskillful; poor; awkward; imprudent; untactful

だ (だ)

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

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: ジョ、ニョ、ニョウ、おんな、め

Meanings: woman, female

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: シュ、ズ、て、て-、 -て、た-

Meaning: hand

Readings: スイ、みず、みず-

Meaning: water

Readings: エイ、およ.ぐ

Meaning: swim

Readings: カ、ゲ、した、しも、もと、さ.げる、さ.がる、くだ.る、くだ.り、くだ.す、 -くだ.す、くだ.さる、お.ろす、お.りる

Meanings: below, down, descend, give, low, inferior