平更 ひらさら
hira sara

Adverb

1. earnestly; intently; determinedly; by all means

Archaic
Usually Written in Kana
Adverb

2. ... the heck (e.g. "what the heck?"); ... in the world (e.g. "why in the world?"); ... on earth (e.g. "who on earth?")

Archaic
Usually Written in Kana
Related to 一体全体【いったいぜんたい】