slouch
verb [intransitive]- (+ adv./prep.)
to stand, sit or move in a lazy way, often with your shoulders and head bent forward 没精打采地站（或坐、走）；低头垂肩地站（或坐、走） Several students were slouching against the wall. 几个学生无精打采地靠在墙上。 Sit up straight. Don't slouch. 挺起胸坐直，别歪歪斜斜的。 He slouched across the room and collapsed in a chair. 他没精打采地穿过房间，瘫倒在椅子上。
Word Originearly 16th cent. (in the sense ‘lazy, slovenly person’): of unknown origin. Slouching was used to mean ‘hanging down, drooping’ (specifically describing a hat with a brim hanging over the face), and ‘having an awkward posture’ from the 17th cent.