n.钮扣孔；vt.强迫听或谈； 变形： 复数：buttonholes过去式：buttonholed过去分词：buttonholed现在分词：buttonholing第三人称单数：buttonholes 英英释义： buttonhole[ 'bʌtənhəul ]n.a hole through which buttons are pushed同义词：button holev.detain in conversation by or as if by holding on to the outer garm