In large skillet or wok heat oil. Add beans and toss over moderate heat until almost tender—about 5–6 minutes; beans will be slightly wrinkled and lightly browned. Add garlic; toss for a minute.
Combine ginger, soy sauce, lime juice, and sugar in a cup; stir to mix. Add to beans and toss over high heat until liquid evaporates. Season and serve hot, sprinkled wi