Stir together rice wine, remaining 2 teaspoon soy sauce, and remaining 1/4 teaspoon cornstarch.
04Heat wok over high heat until smoking, then pour 1 teaspoon oil down side and swirl to coat. Add beef in 1 layer and cook, turning occasionally, until browned, less than 1 minute. Transfer to a bowl.
05Add remaining teaspoon oil to wok, then add ginger, garlic, cumin, and red-pepper flakes and stir-fry 15 seconds. Add celery and stir-fry 1 minute, then add beef and juices and stir-fry 15 seconds. Stir rice-wine mixture, then pour into wok and stir-fry until sauce is bubbling, about 30 seconds. Remove from heat and stir in celery leaves.