投机分子 tóujīfènzǐ opportunist Definitions Defs Origin Strokes Stroke Words Sentences Sents 投机 投機 tóujī verb + noun to speculate to speculate or be opportunistic in order to make a profit or gain personal advantage分子 fènzǐ noun member A person who belongs to a specific group or class, often used to describe a certain type of person or social element.