容易 (róng yì) means easy or easily. 容 relates to capacity or tolerance and 易 means easy or to change. Together they form a common adjective meaning easy (容易的题, an easy question) or the adverb easily before a verb (容易生气, easily angered). Its antonym is 困难 (kùn nán, difficult) or the more colloquial 难 (nán, hard). The negative 不容易 (not easy) is a common expression of admiration or recognition that something took effort.