①If someone slouches, they sit or stand with their shoulders and head bent so they look lazy and unattractive.【v.无精打采地坐着(或站着) 】
②If someone slouches somewhere, they walk around slowly with their shoulders and head bent looking lazy or bored.【v.无精打采地走;懒洋洋地走】
①Try not to slouch when you are sitting down.
②Most of the time, they slouch around in the fields.
no slouch at 擅长;愿意卖力工作;手脚勤快麻利【If you say that someone is no slouch at a particular activity, you mean that they are skilful at it or are willing to work hard at it.】
The Welsh are no slouches at cooking.
[scode type="blue"]joie de vivre
/ˏʒwɑː də ˈviːvrə/
Joie de vivre is a feeling of happiness and enjoyment of life.
《经济学人》一篇关于青少年叛逆的文章 How to rebel in China 也出现了这个表达：