confound - v. 당황하게 하다; 혼동하다, 잘못하여 동일시하다; 논박하다

• A sudden rise in prices confounded the public.
• In 19th-century boys ' yarns, Rider Haggard 's heroes would use an exactly forecast eclipse to confound (literally) benighted savages.
• This can potentially confound the interpretation of the results, particularly in primary care where many of the patients first present with a problem.