spell out 1. 讲清楚；详细地说明 spell out the government's plans in a speech 在演说中详细说明政府的各项计划 I sat alone in a room spelling things out with a pencil and paper. 我独自坐在室内，用笔和纸把情况详细地加以阐述。 2. 缓慢而费力地读；读懂；把(词)的字母拼写出 His handwriting was so bad that I had to spell out what he had written. 他的书写很糟，以至我不得不花很大的劲来读懂他写的东西。 3. 研究出，琢磨出；理解 It requires some pains to spell out those decorations. 琢磨出那些勋章表彰的是什么要花很大的力气。