sit up

柯林斯词典

1. PHRASAL VERB If you sit up, you move into a sitting position when you have been leaning back or lying down. 坐起来; 坐直身子
Her head spins dizzily as soon as she sits up. 她一坐起来，就感到天旋地转。
2. PHRASAL VERB If you sit someone up, you move them into a sitting position when they have been leaning back or lying down. 使坐起来
She sat him up and made him comfortable. 她帮他坐起来，让他舒服些。
3. PHRASAL VERB If you sit up, you do not go to bed although it is very late. 熬夜
We sat up drinking and talking. 我们很晚还没睡，一直喝酒聊天。
4. →see also sit-up