●ˈpounce on sb/sth ( ˈpounce upon sb/sthmore formal) to quickly notice sth that sb has said or done, and criticize it or use it for your own advantage抓住不放，一把揪住（进行抨击）◆As soon as I opened my mouth, the teacher pounced on me. 我刚一张嘴就被老师抓住了错。◆He said something silly and the other boys pounced on it at once. 他说了句傻话，马上遭到了其他男孩的嘲笑。◆His mistake was pounced on by the press. 他的失误立刻被新闻界揪住并大做文章。SYNseize on sth (more formal) [v + prep]