rest up
phrasal verb with rest verb uk/rest/ us/rest/
得到充分休息；养足精神
to relax in order to have strength for something
Why don't you take a nap to rest up for the party? 你为什么不睡一会儿，养足精神去参加聚会？
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。