基本解釋白費口舌；徒勞；在已經失去意義的問題上白花力氣同根派生 beat a dead horse相關詞英漢例句雙語例句I hate to beat a dead horse, but it is very important that you understand this before you leave.我不想多此一擧，但你離開以前必須了解這個。putclub.combeat a dead horse更多例句詞組短語短語beat t a dead horse 白費勁to beat a dead horse 白費力氣Don 't beat a dead horse 別再做無用之功beat a dead horse更多詞組英英字典劍橋英英字典to waste effort on something when there is no chance of succeedingbeat a dead horse劍橋字典beat a dead horse柯林斯字典