The unexpected expenses really sanded up our machine this quarter.
Неожиданные расходы действительно создали нам проблемы в этом квартале.
Definitions
To deliberately sabotage, hinder, or damage someone's equipment, device, or process, often by introducing sand or another abrasive substance, thereby causing it to malfunction or stop working. The phrase is typically used metaphorically to describe actions that disrupt or interfere with someone's operations or plans.