spelt out

• v. 拼写(缓慢而吃力地读；认真研究出；讲解清楚)

spelt out的用法和样例：

例句

1. Clinton also attacked Bush for backing an across-the-board tax cut without spelling out how to pay for it.
   克林顿并且攻击布什支持普遍减税而未明确解释如何筹措财源。
2. The title "Mrs." is seldom spelled out.
   先生这个称呼很少有人拼写出全部字母的。