a circumstance that complicates something; a difficulty 使复杂化的情况;困难,难题 there is a complication concerning ownership of the site. 存在着一个关于这个地点的所有权的难题。 ■[mass noun]an involved or confused condition or state 复杂(情况);混乱 to add further complication, English-speakers use a different name. 说英语的人使用的是一个不同的名称,这使情况更加复杂化了。
(Medicine)a secondary disease or condition aggravating an already existing one (医)并发症 she developed complications after the surgery. 外科手术后,她患了并发症。
语源
late Middle English: from late Latin complicatio(n-), from Latin complicare 'fold together' (see complicate)