have a good look at 好好看看……
look around 四下张望
look ahead 向前看
look back 回头看、回顾
look right/left 向右看/左看
look well 看起来健康
look ill 看上去有病
in good looks 气色好
look down on(upon) 看不起、经视
look over 检查
look like 看起来像
look out 向外望、当心
look up 向上看、查（字典）
look down 往下看
look up and down 上下打量
look into 往里看
look for 寻找
look after 照看、照顾