fill something out chiefly N. Amer. add information to complete an official form or document 〈主北美〉填写（表格等）。 ■ give more details to add to someone's understanding of something （为使某人更多地了解情况）提供关于（某事）的更多细节（或详情）： he filled out the background by going into historical questions. 他通过探讨历史问题补充了不少背景材料。 |