YOU SAID:
Fine as frog's hair and twice as jumpy.
INTO JAPANESE
カエルの髪のように細かく、びくびくした2倍。
BACK INTO ENGLISH
Twice as fine as a frog's hair.
INTO JAPANESE
カエルの髪の毛の二倍
BACK INTO ENGLISH
Double frog hair
INTO JAPANESE
ダブルカエルの髪
BACK INTO ENGLISH
Double frog hair
That didn't even make that much sense in English.