大致构思英文

design 设计

conceive

conceive [kənˈsi:v]vt./ vi.(of)构想出，设想；怀孕

conceive例句：设想在脑海中构想的事物；概念、计划、设计或思想 Something conceived in the mind; a concept, plan, design, idea, or thought.他是该计画的构想者。 He was the conceiver of the plan.我逐步构想出小说的情节. The plot for the novel gradually developed in my mind.

用在褒义且十分正式时，是create或者conceptualise/conceptualize(美式);贬义时是fabricate,或者make up,有点无端端编造的意思。construct也经常用于书面，比方说构想一些电子，construct some ideas for a project.