劳逸结合 strike a proper balance between work and leisure 

有独立支配的时间 have some time at one's own disposal 

唱卡拉OK sing songs in a karaoke bar 

垂钓 go fishing 

打保龄球 play bowling 

打高尔夫球 play golf 

打牌 play card-games 

逛公园 visit a park; stroll around a park 

逛街 stroll up / down the streets 

睡懒觉 sleep in; lie in 

踏青 go for a walk in the country in spring (when the grass has just turned green) 

去远足 go on an outing 

买打折商品 buy goods at a discount 

驾车兜风 go for a drive in one's car 

泡吧 hang about in a bar 

上网冲浪 surf the web; surf the Internet 

充电 enrich oneself (through a refresher course, etc.); learn the new developments ; bring up to date (in technology, etc.)