In daily life, you will almost exclusively encounter 刀叉 in specific contexts:
Western Restaurants (西餐厅 - xī cāntīng): This is the primary domain of 刀叉. If you go to a steakhouse, an Italian restaurant, a French bistro, or even a high-end hotel buffet, your table will be set with a knife and fork.
Eating Specific Foods: Certain foods are almost always eaten with 刀叉, regardless of the restaurant's main style. These include:
牛排 (niúpái) - Steak
意大利面 (yìdàlìmiàn) - Pasta / Spaghetti
沙拉 (shālā) - Salad
披萨 (pīsà) - Pizza (though often eaten by hand, a knife and fork are usually provided)
Fusion Cuisine: In modern, trendy restaurants in big cities like Shanghai or Beijing, it's not uncommon for a table to be set with both chopsticks and a knife and fork, allowing diners to choose the best tool for each dish.
The term itself is neutral and descriptive, with no strong positive or negative connotations. It is used in both formal and informal settings.