1
- no obj., with adverbial stand, move, or sit in a lazy, drooping way没精打采地站（或动、坐）：
he slouched against the wall
他没精打采地靠在墙上
(be slouched) he was slouched in his chair.
他懒洋洋地坐在椅子上。
2
- with obj. dated bend one side of the brim of (a hat) downwards〈旧〉把（帽）檐一边拉下。
in sing.
1
- a lazy, drooping posture or movement懒散（或无力）的姿态（或动作）：
his stance was a round-shouldered slouch.
他拱背曲肩, 一副懒散的姿态。
2
- usu. with negative informal an incompetent person〈非正式〉无能的人：
my brother was no slouch at making a buck.
我兄弟在赚钱的方面可是个好手。
3
- a downward bend of a hat brim帽檐下垂。
派生词
slouchy
adjective词源
early 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.