She threw it on the floor. I forced her to get out of her chair to pick the spoon up.

VOA: special.2009.11.08

I think even if you're in a chair, and you're sitting up straight with good posture, maybe hands on knees.

哪怕只是坐在椅子上，坐直并保持良好姿势，也许双手放在两膝上。

普林斯顿公开课 - 人性课程节选

The king sat high up on his ceremonial chair.

VOA: special.2009.04.18