YOU SAID:

Half as long, twice as bright.

INTO JAPANESE

半分の長さ、倍の明るい。

BACK INTO ENGLISH

Half length, twice as bright.

INTO JAPANESE

半分の長さ 2 倍明るいです。

BACK INTO ENGLISH

Half length 2 x brighter.

INTO JAPANESE

半分の長さの 2 倍明るい。

BACK INTO ENGLISH

Half the length of the 2 x brighter.

INTO JAPANESE

2 倍明るいの半分の長さ。

BACK INTO ENGLISH

Twice as bright for the length of the half.

INTO JAPANESE

半分の長さでは2倍の明るさ。

BACK INTO ENGLISH

Half the length is twice the brightness.

INTO JAPANESE

長さの半分は明るさの2倍です。

BACK INTO ENGLISH

Half of the length is twice the brightness.

INTO JAPANESE

長さの半分は明るさの2倍です。

BACK INTO ENGLISH

Half of the length is twice the brightness.