動詞 spell out:

1. make explicit; specify in detail
2. spell fully and without abbreviating
3. orally recite the letters of or give the spelling of
   同義詞：spell

1. The graduate student has to spell out what his tutor had written.
   這位研究生得一個字一個字地讀他導師寫的東西。
2. Please spell out what you mean, I don't quite understand.
   請詳細解釋一下，我不太明白你的意思。
3. That boy can spell out the Chinese for the first time.
   那個小男孩第一次會將漢字慢慢地讀出來。