‘轻而易举’ is an idiom meaning something is extremely easy to do—so easy it requires almost no effort. Literally, it breaks down as ‘light (轻)’, ‘and (而)’, ‘easy (易)’, and ‘to lift/rise (举)’. Historically, it evokes the image of lifting something so light that it’s effortlessly raised—like lifting a feather. The phrase functions adverbially in sentences, typically modifying verbs to emphasize how little difficulty or exertion was involved.

This idiom is commonly used in spoken and written Chinese to express confidence, describe past achievements, or downplay challenges. It carries a slightly literary but widely understood tone—not overly formal, yet more vivid than plain words like ‘容易’ (easy). It often appears in contexts involving tasks, learning, problem-solving, or personal accomplishments, and is frequently used with verbs like ‘做到’ (achieve), ‘完成’ (complete), or ‘学会’ (learn).