相關(guān)單詞近義詞 underperform 表現(xiàn)不佳, disappoint 使失望, flounder 掙扎, drift 漂流, drop out 退出臨近詞under, undercool相似詞under your breath idiom, under your feet idiom, under your own steam idiom, under-represented, underachiever, underactive, underage, underarm, 返回 underachieve