brood on sth. 汉语意思： （久久地）沉思、苦想（多指不快之事） 闷闷不乐地琢磨，耿耿于怀 忧心忡忡地反复想 例句： Do not brood on the mistake; learn from it and move on. 别老是对那个错误耿耿于怀，吸取教训继续往前走。 She sat by the window, brooding on what he had said. 她坐在窗边，反复琢磨他说的那些话。