`蜻蜓点水` is a common idiom used in a wide range of contexts, from business meetings to academic feedback and casual conversation.
In the Workplace: A manager might criticize an employee's report as `蜻蜓点水`, meaning it lacks deep analysis and data. “你这份报告只是蜻蜓点水,不够深入。” (Your report just skims the surface; it's not deep enough.)
In Academia: A professor might warn a student against a `蜻蜓点水` approach to their research thesis, urging them to explore the topic in greater detail.
Connotation: The connotation is almost always negative, implying insufficiency, carelessness, or a lack of commitment. In very rare cases, it can be used neutrally or even positively to describe a light, elegant physical movement, like a dancer's steps. However, for a learner, it's safest to assume the negative meaning of “superficial.”
Formality: As a `chengyu`, it is suitable for both formal (speeches, writing) and informal (daily conversation) situations.