clear (your) throat
to give a small cough.
She cleared her throat before she began to speak.
I wanted to say something, so I cleared my throat to get everyone's attention.
英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。