overlook, neglect(2题), ignore 1. He ______ all the 'No Smoking' signs and lit up a cigarette. 2. What the student did was a violation of the university rules and regulations, but since it was her first offence the president decided to ______ it. 3. He felt sincerely sorry for _______ his son. 4. The new president is concerned that sports seem to have been ______ in our school these years.