[only before noun] that is very successful and brings fame to sb/sth非常成功的；名声大振的◆We believe this is the breakout product we've been looking for.我们相信这是我们一直在寻找的前所未有的产品。 (NAmE) that takes place separately from a main meeting and involves a smaller group of people分组会议的◆a number of breakout sessions on specific topics多个讨论特定课题的分组会议