head and ears

Adverb

informal not-comparable

(informal) With the whole person; deeply; completely.

Japanese Meaning

全身全霊で / 徹底的に / 完全に

She embraced the challenge head and ears, throwing her entire self into solving the problem.

彼女はその挑戦を全身全霊で受け止め、問題解決に全力を注いだ。

Sense（1）

(informal) With the whole person; deeply; completely.

to be head and ears in debt or in trouble