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- sit up at lessons 熬夜做功课
- It is a bad habit to sit up late at night. 熬夜是个坏习惯。
- The big dog leapt up at the little girl. 那条大狗跳起来朝小女孩扑去。
- 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!
- He lay on his back and looked up at the sky. 他仰卧著观看天空。
- She turned her nose up at my small donation. 她嫌我捐赠微薄而嗤之以鼻。
- Dinner's ready! Come and sit up (at the table). 饭菜好了!来坐下吃吧!
- Can you shoot up at the bird on the roof? 你能射中房顶上的那只鸟吗?
- 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。
- The question is bound to come up at the meeting. 会上必然要讨论这个问题。
- 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!
- He is not good at lessons at school. 他在学校功课不好。
- A difficulty has cropped up at work. 工作中突然出现困难。
- He looked up at the weathercock. 他抬起头看风向标。
- What time do you get up? I usually get up at six. 你几点起床?我通常六点起床。
- 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。
- The dog's ear pricked up at the sound. 狗听到声音后竖起了耳朵。