spell out

US /spel aʊt/
UK /spel aʊt/
"spell out" picture
1.

拼写, 详细说明

to say or write the letters of a word in the correct order

:
Can you please spell out your name for me?
请您拼写一下您的名字好吗?
He had to spell out the complex term for the audience.
他不得不为听众拼写出这个复杂的术语。
2.

阐明, 详细说明

to explain something clearly and in detail

:
The instructions spell out exactly what you need to do.
说明书详细阐明了你需要做什么。
The report spells out the risks involved in the project.
报告阐明了该项目所涉及的风险。