slouch
/slautʃ; slaʊtʃ/ v[I, Ipr, Ip]
stand, sit or move in a lazy way, often not quite upright 无精打采地立、 坐或行动（常指不直）
Don't slouch! Stand up straight! 别没精打采的! 起来站直了!
She slouched past me with her hands in her pockets. 她手插在口袋里懒洋洋地从我身边走了过去.
slouching about all day doing nothing 终日闲荡无所事事. slouch, n
1 [sing] slouching posture or way of moving 无精打采的姿态或动作
walk with a slouch 没精打采地走.
2 (idm 习语) be no slouch at sth (infml 口) be very good at sth 善於做某事
She's no slouch at tennis. 她网球打得不赖.