fit as a fiddle

IPA(Pronunciation)

Adjective

colloquial not-comparable

(simile, colloquial) Perfectly fit; in excellent condition or health.

Japanese Meaning

非常に健全で、完璧に健康な状態を指します。 / 絶好調で問題のない状態を表す比喩表現です。

By the time the race started, she was fit as a fiddle.

レースが始まる頃には、彼女は絶好調だった。

Sense（1）

(simile, colloquial) Perfectly fit; in excellent condition or health.

This is excellent ynfayth, as fit as a Fiddle: […]