complicate /ˈkɔmplikeit/ vt.使复杂化：These new rules have complicated the tax system even further. 这些新规则使得税务系统更为复杂化。
complicated /ˈkɔmplikeitid/ adj. 复杂的，难懂的：confront ever more complicated problems 遇到了更为复杂的问题；put complicated thought into simple words 把一个复杂的想法用简单的词语表达出来
complication /ˌkɔmpliˈkeiʃən/ n. ［c］ 1.(新出现的)困难，难题: An unexpected complication arose. 意想不到的困难出现了。2.并发症：When complications set in, the doctors lost hope. 出现了并发症，大夫们无计可施。
