hide nor hair

idiomatic uncountable

(idiomatic) A trace, indication, or evidence, especially of a person.

Japanese Meaning

痕跡（特に人物の存在や行動の跡） / 手がかり（捕捉するための示唆となる情報） / 証拠（存在や行動を裏付けるもの）

There wasn't hide nor hair of the missing hiker anywhere on the trail.

行方不明のハイカーの痕跡は登山道のどこにも見当たりませんでした。

Sense（1）

(idiomatic) A trace, indication, or evidence, especially of a person.

He retired last June, and his coworkers have seen neither hide nor hair of him since.