clear as crystal

Adjective

not-comparable of an object of a statement

(simile, of an object) Entirely transparent. / (simile, of a statement) Easily understandable.

Japanese Meaning

物体が完全に透明である状態を表す / 記述や説明が非常に明瞭で理解しやすいことを示す

The aquarium water was clear as crystal, allowing us to see every colorful fish.

水槽の水は水晶のように透き通っていて、色とりどりの魚がすべて見えました。

Sense（1）

(simile, of an object) Entirely transparent.

Sense（2）

(simile, of a statement) Easily understandable.