Americans usually use a butter spreader, the English often use a knife similar to the meat knife but smaller and placed on the outside of it.

美国人常用一把抹黄油的小刀，英国人常用与切肉刀相似、但小一点的刀子，放在切肉刀的外侧。

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My anxiety was not eased by the presence of steak knives with heavy wooden handles and sharp serrated blades, and a sort of diabolical trolley that was wheeled, steaming, to the table by a stout man with a pencil mustache who with the flourish of a gleaming knife indicated the meat and demanded to know where I wanted it carved.

NPR: Excerpt: 'Trauma'

You carried it for protection, getting there, and again at dinner, for spearing a chunk of meat from a passing platter after which you ripped it off your knife and, possibly bleeding from this awkward exercise, popped it into your mouth.

NEWYORKER: A Fork of One��s Own