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| work one's balls off (Andrey Truhachev) | |||
| work one's ass off (Am.E. Andrey Truhachev) | |||
| work one's butt off (Andrey Truhachev); work one's arse off (Br. E. Andrey Truhachev) | |||
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| work one's balls off (Andrey Truhachev) | |||
| work one's ass off (Am.E. Andrey Truhachev) | |||
| work one's butt off (Andrey Truhachev); work one's arse off (Br. E. Andrey Truhachev) | |||