もう少し背が高かったらなあ。

もう少し背が高かったらなあ。

I wish I were a little taller.

もう少(すこ)し背(せ)が高(たか)かったらなあ。

Mōsukoshi se ga takakattara nā.

もう少し (もうすこし)

a bit more; a bit longer

背 (せい)

height; stature

が (が)

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

高い (たかい)

high; tall; expensive

なあ (なあ)

hey; say; look; used to get someone's attention or press one's point

Readings: ショウ、すく.ない、すこ.し

Meanings: few, little

Readings: ハイ、せ、せい、そむ.く、そむ.ける

Meanings: stature, height, back, behind, disobey, defy, go back on, rebel

Readings: コウ、たか.い、たか、 -だか、たか.まる、たか.める

Meanings: tall, high, expensive