The characters combine to paint a picture: “leaks and holes emerge in the hundreds.” This powerful visual metaphor is then applied to abstract concepts. A plan that is `漏洞百出` is one where problems and inconsistencies are appearing everywhere you look.
The use of `漏洞百出` often reflects the cultural importance placed on thoroughness, preparation, and “face” (面子, miànzi). To present a proposal or argument that is `漏洞百出` is not just an intellectual failure; it can be a source of embarrassment because it suggests a lack of diligence and foresight. It implies the work was rushed and not carefully considered. In Western culture, you might say an argument “is full of holes” or “doesn't hold water.” These are very similar in meaning. However, `漏洞百出` feels more severe and comprehensive due to the “hundred leaks” imagery. While “full of holes” might suggest a few key weak points, `漏洞百出` implies a systemic, widespread failure. It’s the difference between a leaky boat that might be patched and a sieve that was never meant to hold water at all. Criticizing someone's work as `漏洞百出` is a very direct and serious charge that can cause the other person to lose face.
`漏洞百出` is a common idiom used in various contexts, from formal critiques to informal complaints. It always carries a strong negative connotation.