I grumbled , slouching into one of her chairs .

余抱怨，到一把椅子上，她无精打采。

She says slouching down in her chair .

她说在她的椅子懒散下来。

With a slouching gait or posture .

以没精打采的步态或者姿势。

He said slouching in his chair .

他说，在他的椅子无精打采。

You 've got to stop slouching and sit up straight .

你得坐下，不要无精打采的。