不许可
We accept what leaders of Congress have said about the impermissibility of allowing the United States to default on its obligations.
WHITEHOUSE: Press Briefing
不许可，不允许
disallowance??/??must not
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。