5swiss ball sit-up This is more challenging than a normal sit-up because the instability of the ball forces the core muscles to work harder.
5健身球仰卧起坐该动作比普通的仰卧起坐更具挑战性。因为健身球自身所具备的不稳定性迫使肌肉工作的压力加大。
She started to sit up, grimaced, and sank back weakly against the pillow.
她开始坐起来，痛苦地皱着脸，又虚弱地靠回到枕头上。
Even the most apathetic students are beginning to sit up and listen.
即使最漠不关心的学生都开始坐直身子听了。
The patient was but poorly able to sit up.
病人仅能勉强坐起来。
"Colin's so afraid of it himself that he won't sit up," said Mary.
“科林自己也很害怕，他都不敢坐起来。”玛丽说。
I'll make him eat from my hand, and sit up, and do all sorts of things.
我要亲手喂他东西吃，让他坐起来，做各种各样的事情。
When you feel stressed out, you can also try to sit up straight or stand tall.
当你感到压力大的时候，你也可以试着坐直或站直。
The proposal had made his clients sit up and take notice.
这项建议引起了他的主顾们的关注。
His back is weak because he won't try to sit up.
他的背很虚弱，因为他不愿试着坐起来。
Toad began to sit up in his chair again, and to smirk a little.
托德又在椅子上坐起身来，傻笑了一下。
你熬了一夜吗？
I am afraid the person we have to sit up for will look worse, but first we must catch him.
我担心我们不得不熬夜守候的那个人看上去会更糟，但我们必须先抓住他。
Make sure you sit up and look the interviewer in the eye.
一定要坐直，直视面试官的眼睛。
They learn to roll over, support their heads, and even sit up while being held.
他们学会翻身、支撑头部，甚至在被抱着的时候坐起来。
Some simply sit up or stand in bed or act like they're awake when, in fact, they're asleep!
有些人只是从床上坐起或站起，或者行为举止像是醒着，而实际上他们是睡着的！
Sit up and have your medicine.
起来吃药吧。
"It's not enough to just sit up straight if your core muscles are weak," said Dr. Praveen Mummaneni.
普拉文·莫曼奈尼博士说：“如果你的核心肌群比较虚弱，那么仅仅坐直是不够的。”
I see nothing today. I cannot sit up to look out of the window.
我今天没能看见风景，因为我不能坐起来往窗外看。
A partially immobilized or weak client will require nursing assistance to sit up in bed.
局部固定或体弱病人在床上坐起时需要护理协助。
我坐起来，弯下身子。
His roommate was allowed to sit up in bed because some medical instruments would take some liquid out of his lung every afternoon.
同室病友在治疗中，每天下午，将有仪器从他肺中抽取液体，因此，他被允许坐在床上。
Show them that inequality has bad results, and they are likelier to sit up and listen.
只有给他们展示出不平等导致的不良后果，他们才更有可能端坐着，洗耳恭听。
The patient was very tired when he returned from the ride, so much so that he could not sit up.
病人坐车回家时非常疲倦，疲倦得甚至不能坐起来。
坐直了，别垂头丧气的。
Then sit up, plant your feet on the floor, and stand up.
然后，你就应该要坐起身来，把脚放到地板上去，并站起身来。
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。
好啦！你可以坐起来了。
You'll spend an unmentionable number of hours, and sit up late at night coding when you really should go to bed.
你将会花费难以数清的时间，并且，还要做在电脑前面编码到很晚，直到你不得不睡觉为止。
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