To sit up
| to rise from, or refrain from, a recumbent posture or from sleep; to sit with the body upright; as, to sit up late at night; also, to watch; as, to sit up with a sick person. |
See also: Sit
英语词典包含2567994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。