复杂complicated;complex
情况～。The situation is complicated./应该把实情想得～一些。One should not over-simplify things./使问题～化make things complicated;complicate matters/～动荡的国际局势complex and volatile (or turbulent) world situation/～多变的国际形势complicated (or complex)and rapidly changing(or volatile)international situation /～劳动complex labor |