no end of trouble for the future; there will be no end of disastrous aftermaths; there will be serious consequences
? 有人大聲叫道： “不殺蔣介石～?！敝芏鱽硗净卮鹫f： “殺還不容易，一句話就行了?！?(《敬愛的周總理我們永遠(yuǎn)懷念您》Ⅱ—41) When one of them cried out，“There will be serious consequences if we don’t put Jiang Jieshi to death.” Comrade Zhou replied:“That’s easy. One word will do if you order the death of Jiang.”
后患無窮
endless trouble to come; no end of trouble in the future;fraught with danger ever afterwards
后患無窮hòu huàn wú qiónɡ
給將來留下的禍患無窮無盡。no end of trouble for the future, there will be no end of disastrous aftermaths, bring sb. trouble without end