| 短语 | sit up |
| 释义 | sit up 1. to be in a sitting position or get into a sitting position after you have been lying down坐着;〔从躺姿〕坐起来:•He was sitting up in bed, reading his book.他坐在床上看书。•She sat up and reached for her glass.她坐起来伸手去拿杯子。2. sit sb up to help someone to sit after they have been lying down帮助某人坐起来:[+ in / on etc ]•I'll sit you up on the pillows and you'll be nice and comfortable.我扶你坐起来靠在枕头上，这样你就舒服了。3. to sit in a chair with your back straight坐直，端坐:•Just sit up straight and stop slouching.坐直身子，别无精打采的。4. to stay up very late熬夜:•Sometimes we just sit up and watch videos all night.有时我们通宵熬夜看录像。5. sit up (and take notice) to suddenly start paying attention to someone, because they have done something surprising or impressive突然关注（注意）起来:•If Maria succeeded, then everyone would sit up and take notice.假如玛丽亚成功了，大家马上就会注意起来。 CHOICE sit, sit down, sit in / on, seat:You usually use sit down rather than sit to say that someone moves into a sitting position.“坐下”一般说 sit down，不说 sit:•Everyone sat down to listen.每个人都坐下来听。You use sit when you mention where someone sits down.表示某人坐在哪里，要用 sit:•She sat next to me.她坐在我旁边。•Where shall I sit?我坐哪里？ ► You sit on or sit in a chair, depending on whether it is flat and simple or soft and comfortable. 坐在椅子上可以说 sit on 或 sit in，具体用哪个则要看椅子是简单平面的，还是柔软舒适的那种:•We sat on barstools.我们坐在吧凳上。•He sat in his favourite armchair.他坐在他喜欢的扶手椅上。You sit on flat things such as a bench, the floor, or the grass.You sit in a room, a corner, long grass, a tree, or a seat in a car. 坐在长凳、地板和草地等平面的东西上时，说 sit on。坐在房间里、角落里、长草丛里、树上或汽车座位上时，用 sit in:•I get travel sick when I sit in the back.我坐在后排就会晕车。 ► To tell someone to sit down, say 'Sit down', 'Have a seat', or in very formal situations, 'Be seated' . You usually only say 'Sit!' to a dog. 叫某人坐下，要说 Sit down 或 Have a seat，如果是很正式的场合，则要说 Be seated。对狗发命令时一般只说 Sit!。ˌsit ˈup1to be or move yourself into a sitting position, rather than lying down or leaning back坐起来；坐直Sit up straight—don't slouch.坐直了，别无精打采的。2to not go to bed until later than usual熬夜；迟睡We sat up half the night, talking.我们谈到了半夜才睡。sit up1. move into a sitting position 坐起身来 * Joe sat up when he heard the knock on his bedroom door. 乔听到有人敲寝室的门，就坐起身来。 * She sat the old man up in bed. 她扶老人起来坐在床上。2. stay awake instead of going to bed 迟睡；熬夜 * Mrs. Jones will sit up until both of her daughters get home from the dance. 琼斯夫人要等到她两个女儿跳舞回来后再休息。 * I'll be late tonight. Don't sit up for me. 今晚我回来得迟，不要等我。3. be surprised 惊讶 * Janice really sat up when I told her the gossip about Tom. 当我把有关汤姆的流言蜚语告诉詹妮丝时，她确实很惊讶。 * You should have seen them all sit up as soon as I mentioned money. 你应该注意到，当我一提起钱的时候，他们个个都警觉了起来。sit up熬夜不睡：The manager works hard for his company，he often sits up at night arranging and planning for his business.那位经理为他的公司操劳，他时常熬夜不睡，安排和筹划公司业务。 |
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