漏網;被漏掉
when sb / sth slips through the net, an organization or a system fails to find them and deal with them
We tried to contact all former students, but one or two slipped through the net.我們試圖同所有的校友取得聯絡,但有一兩個未能找到。
釋義來自《牛津高階英漢雙解詞典》第 9 版