被廢棄;被忽視
to be rejected or ignored; to be no longer possible
All her efforts to be polite went by the board and she started to shout.她力圖保持和顏悅色的一切努力都白費了,於是她開始大喊大叫。
釋義來自《牛津高階英漢雙解詞典》第 9 版