例句：
1.Look at the time! We'll be late.
看几点了！我们要迟到了。
2.She looked around for a familiar face.
她环顾四周想寻找一个熟人。
3.Weight is also a factor to look out for.
重量也是一个留心的因素。
4.Look, calm down! We'll find her.
喂，镇静一点！我们会找到她的。
5.Look, the paper we got is good.
听我说，我们弄到的纸非常好。