a secret and complicated plan synonym plot, intrigue阴谋;诡计 I don’t want to get involved in all his machinations. 我不想卷入他所有的阴谋。
Word Originlate Middle English: from Old French, or Latin machinatio-, from machinat- ‘contrived’, from machinari ‘contrive’, from machina, from Doric Greek makhana (Greek mēkhanē, from mēkhos ‘contrivance’).