ピアノは高いですが自動車はもっと高いです。

A piano is expensive, but a car is more expensive.

ピアノは高(たか)いですが自動車(じどうしゃ)はもっと高(たか)いです。

Piano wa takai desu ga jidōsha wa motto takai desu.

ピアノ (ピアノ、ピヤノ)

piano

は (は)

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

高い (たかい)

high; tall; expensive

です (です)

be; is

が (が)

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

自動車 (じどうしゃ)

automobile

もっと (もっと)

(some) more; even more; longer; further

Readings: コウ、たか.い、たか、 -だか、たか.まる、たか.める

Meanings: tall, high, expensive

Readings: ジ、シ、みずか.ら、おの.ずから、おの.ずと

Meaning: oneself

Readings: ドウ、うご.く、うご.かす

Meanings: move, motion, change, confusion, shift, shake

Readings: シャ、くるま

Meaning: car