There is a dinner knife in his right hand.

他的右手里有一把餐刀。

youdao

Dinner knife: all entrees except fish.

正餐刀：适用于除了鱼之外的所有正菜。

youdao

Over the centuries, the knife has taken many other forms from the short and sharp dinner knife.

FORBES: No. 1 The Knife

Etiquette and manners still matter at work, but it's not as cut and dry as not licking your knife while enjoying a steak dinner.

CNN: Rate your office etiquette

In 1669, in a bid to cut down on violence, King Louis XIV of France decreed all pointed knives on the street or the dinner table illegal, and ordered all knife points ground down.

FORBES: No. 1 The Knife