sign away something
— phrasal verb with sign us/sɑɪn/verb
to give up your rights to something or ownership of it by formally signing a document:
She signed away her rights to the book before it became a best-seller.
英语词典包含110679条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。