to sit up
[phrase form: sit]
01
坐起来, 起身
to change one's position from a lying position into an upright one
例子
After a long nap on the couch, she suddenly sat up, realizing she had overslept.
在沙发上小睡了很久之后，她突然坐起来，意识到自己睡过头了。
The patient in the hospital bed struggled to sit up after the surgery.
医院病床上的病人在手术后挣扎着坐起来。
02
熬夜, 保持清醒
to stay awake beyond the usual or expected time
例子
I had to sit up late last night to finish my assignment for school.
昨晚我不得不熬夜来完成我的学校作业。
He often sits up reading a good book until the early hours of the morning.
他经常熬夜读一本好书直到凌晨。
03
坐起来, 扶起
to help a person to move from a reclined position to a seated one
例子
The nurse gently sat up the patient in bed to administer the medication.
护士轻轻地扶起病人坐在床上给药。
After the surgery, it took some assistance for him to sit up and eat his meal comfortably.
手术后，需要一些帮助才能让他坐起来舒适地吃饭。
04
注意, 表现出兴趣
to pay attention or show interest, especially in a particular topic or conversation
例子
The audience sat up as the guest speaker shared personal anecdotes that captivated everyone's attention.
当特邀演讲者分享吸引所有人注意力的个人轶事时，观众坐直了。
She began to sit up when the conversation turned to topics related to her favorite hobby.
当谈话转向与她最喜欢的爱好相关的话题时，她开始坐直了身子。
