undercurrent /'AndakArant; 以皿山彳加/ n [U] current of water flowing' beneath the surface; (fig) tendency (of thought or feeling) lying below what is apparent: 潛流; 底流; 暗流; (喻) (思想或感情的) 暗潮; 潛勢(shì)： an ~ of opposition/melancholy. 一股反對(duì)的暗潮 (內(nèi)心的傷感情懷) 。