syūn choi ngàuh yuhk
酸菜 is picked mustard greens 炒 is stir-fried, 牛肉 is beef (牛 is cow, and 肉 is meat), so 酸菜炒牛肉 is picked mustard greens stir-fried beef.
酸 is sour same as in hot and sour soup and sweet and sour, and 菜 is vegetable, so picked mustard greens is sour vegetable.
A homestyle Cantonese dish (a recipe is listed in the book Chinese Soul Food), picked mustard greens stir-fried with beef.