表达 “build something on sand” 用 “在沙子上建造某物” 来比喻 “事物基础薄弱或没有基础”。虽然它可以描述 “建筑物等有形的事物根基不稳固”,但往往多用来指 “论点或想法毫无根据”,多用于被动语态中,即 “be built on sand”。
- Without any planning or financial backing, Derek is building his company on sand.
没有任何计划和资金支持,德里克正在创建的公司基础不牢固。 - Her argument made no sense and was built on sand.
她的论点说不通,而且毫无根据。 - At first I thought Sarah’s plan for the project was built on sand, but then she presented the research she’d done.
起初,我认为莎拉的计划毫无根据、不切实际,但后来她展示了她为此计划先前做过的研究调查。