slouch
verb [ I ] uk/slaʊtʃ/ us/slaʊtʃ/
低头垂肩地站（或坐、走）；没精打采地站（或坐、走）
to stand, sit, or walk with the shoulders hanging forward and the head bent slightly over so that you look tired and bored
Straighten your back - try not to slouch. 挺直后背——别没精打采的。
A couple of boys were slouched over the table reading magazines. 几个男孩低着头趴在桌上看杂志。
A group of teenagers were slouching around outside the building. 一群十几岁的年轻人在大楼外面无精打采地闲逛。
slouch
noun [ C usually singular ] uk/slaʊtʃ/ us/slaʊtʃ/
低头垂肩地站（或坐、走）的姿势；没精打采地站（或坐、走）的姿势
a way of standing, sitting, or walking with the shoulders hanging forward
He's developed a slouch from leaning over his books all day. 他整天低着头看书，逐渐形成了一副弯腰弓背的样子。
Idiom
be no slouchidiom informal 擅长（某类活动）
If you say that someone is no slouch at a particular activity, you mean that they work hard at it and produce good results.
She's no slouch when it comes to organizing parties. 张罗聚会她可是一把好手。