ねじりはちまきで

Meanings

with all one's might; wholeheartedly; giving it everything

idiomatic expressionusually written using kana alone

Idiomatic expression derived from the image of tying a twisted headband tightly, symbolizing determination and full effort. Used adverbially.

Kanji

鉢bowl, rice tub, pot
巻scroll, volume, book
捩screw, twist, wrench

Related words

一いっ生しょう懸けん命めい
一生懸命 is a more common and neutral way to say 'with all one's effort', while ねじり鉢巻きで carries a vivid, somewhat old-fashioned image of physical determination.
全ぜん力りょくで
全力で simply means 'with full power/effort' and is more straightforward; ねじり鉢巻きで adds a nuance of spirited, almost stubborn resolve.

Written forms

ねじり鉢はち巻まきで
Standard kanji-kana mixed spelling for this idiomatic expression.
捩ねじり鉢はち巻まきで
rarely-used kanji form
Rarely used kanji form; the first kanji 捩 is uncommon.

Etymology

From the practice of tying a twisted headband (ねじり鉢巻き) tightly around one's head to show determination and focus, often before a strenuous task. The adverbial form ねじり鉢巻きで literally means 'with a twisted headband on', figuratively 'with full resolve'.