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- Don't scrunch up like that. Sit up straight. 不要那样缩头缩脑的,坐端正。
- Fold your arms and sit up straight! 两臂交叉,坐直!
- Sit up straight: don't bend over your desk. 坐端正：不要将身体俯伏在书桌上。
- This news made us all sit up and take notice. 这消息立即引起我们大家的注意。
- I'll sit up for a time, in case I may be wanted. 我先不睡，说不定会通知得着我。
- Sit up, children! Don't lean over the table! 坐直，孩子们，不要趴在桌子上！
- It is a bad habit to sit up late at night. 熬夜是个坏习惯。
- I shall get back very late, so don't sit up for me. 今晚我要回来得很迟，所以你不必等我回来再睡觉了。
- Sit up,(straight),children! Don't lean over the table! 坐端正，孩子们！别靠着桌子！
- Please sit up straight, so you can breathe more easily. 中译)请坐直;那麽你就可以比较容易呼吸.
- It took him a long time to teach the dog to sit up and beg. 他花了很长时间才教会狗坐立起来讨食。
- I called her a damned hypocrite and that made her sit up. 我骂她惺惺作态，她马上警觉起来。
- George's sudden success made the town sit up and take notice. 乔治的突然成功使全城大的为吃惊。
- Kay sat up very straight in the chair. 恺在椅子里坐得笔直。
- I had to sit up all night writing the report. 我不得不熬通宵写报告。
- I sat up straight to stay vigilant. 我立刻坐直身保持警惕。
- I sat up straight and stiffened at this sight. 这景像使我毛骨悚然。
- She has taught her dog to sit up and beg. 她训练她的狗坐着举起前脚拜拜。
- He sat up on the operating table. 他在手术台上坐了起来。
- The girl sat up, her eyes wide with fear. 那女孩紧张地挺着身子，吓得睁大了眼睛。
