sit
单词辨析：
通常后接反身代词表示使某人自己就座，或后接某人表示安排其就座。
He seated himself at the desk.
他在书桌旁坐下了。
Please seat yourself, sir.
请坐，先生。
We seated the guest to the right of the chairman.
我们请那位来宾坐在主席的右边。
表示此义时，通常用于 perch (sb/oneself) on sth 结构。
We perched ourselves on a couple of high stools at the bar.
我们坐在酒吧的几个高脚凳上。
Bobby perched himself on the edge of the bed.
博比坐在床沿上。
Her father used to perch her on the front of his bike.
她爸爸过去常让她坐在自行车前梁上。
普通用词，与 stand (站) 相对，常用于口语。
Don't just sit watching, come and help me!
别只是坐着看，来帮帮我!
On the bus we sat together.
在公共汽车上我们坐在一起。
She was sitting by the window, reading a novel.
她坐在窗下看小说。
相关例句：
Sit tight. I'll be right back
你留在这儿别动，我马上就回来。
He set the cases against a wall and sat on them
他把箱子靠墙放好，然后坐在上面。
He could hardly sit still and itched to have a go.
他再也坐不住了，心里跃跃欲试。
He was unable to sit still for longer than a few minutes.
他连几分钟都坐不住。
Now sit down and make yourself comfortable. You must be very tired.
现在坐下来，让自己舒服些，你一定很累了。
She helped her sit up in bed so she could hold her baby.
她扶她在床上坐起来，这样她就可以抱着宝宝了。