sit back
If you sit back while something is happening, you relax and do not become involved in it.
They didn't have to do anything except sit back and enjoy life.
他们不必做任何事情,只是悠闲地享受生活。
sit down
Sit down means the same as sit.
I sat down, stunned.
我坐了下来,大吃一惊。
To sit someone down somewhere means to sit them there.
She helped him out of the water and sat him down on the rock.
她把他从水里拉出来,让他坐在岩石上。
sit in on
If you sit in on a lesson, meeting, or discussion, you are present while it is taking place but do not take part in it.
Will they permit you to sit in on a few classes as an observer?
他们会允许你旁听几节课吗?
sit on
If you say that someone is sitting on something, you mean that they are delaying dealing with it.
He had been sitting on the document for at least two months.
他已经把这个文件压了至少两个月。
sit out
If you sit something out, you wait for it to finish, without taking any action.
The only thing I can do is keep quiet and sit this one out.
我能做的只有保持沉默,坐等这件事结束。
sit through
If you sit through something such as a film, lecture, or meeting, you stay until it is finished although you are not enjoying it.
films so bad you can hardly bear to sit through them.
电影非常差劲,你很难能够忍着一直坐到结束。
sit up
If you sit up, you move into a sitting position when you have been leaning back or lying down.
Her head spins dizzily as soon as she sits up.
她一坐起来,就感到天旋地转。
If you sit someone up, you move them into a sitting position when they have been leaning back or lying down.
She sat him up and made him comfortable.
她帮他坐起来,好让他舒服些。
If you sit up, you do not go to bed although it is very late.
stay up
We sat up drinking and talking.
我们喝酒聊天直到深夜。
sit tight
If you sit tight, you remain in the same place or situation and do not take any action, usually because you are waiting for something to happen.
Sit tight. I'll be right back.
呆在这别动,我马上回来。
sits , sitting , sat
If you are sitting somewhere, for example, in a chair, your bottom is resting on the chair and the upper part of your body is upright.
Mother was sitting in her chair in the kitchen.
妈妈正坐在厨房的椅子上。
They had been sitting watching television.
他们一直坐着看电视。
When you sit somewhere, you lower your body until you are sitting on something.
He set the cases against a wall and sat on them.
他把箱子靠在墙上,然后坐在上面。
Eva pulled over a chair and sat beside her husband.
伊娃拽过一把椅子,坐在她丈夫身边。
If you sit someone somewhere, you tell them to sit there or put them in a sitting position.
He used to sit me on his lap.
他过去常常让我坐在他的腿上。
If you sit on a committee or other official group, you are a member of it.
He was asked to sit on numerous committees.
他应邀担任许多委员会的委员。
When a legislature, court, or other official body sits, it officially carries out its work.
The court sits under tight security in a former museum.
法院在一所旧时的博物馆开庭,保安措施很严密。