I can wait a bit longer. 我可以再等一会。

　　Just don't wait too long. Okay? 不要等太久，好不好？

　　Why did you wait two hours out there? 你干嘛在那里等了两个小时？

　　I've been waiting four hours for you to show up. 我一直等你出现，足足等了四个小时。

　　I waited too long to drink my coffee. 我等太久了，咖啡都冷得不能喝了。

　　Is it cold? Maybe we should order another one. 凉了吗？要不我们再点一杯吧。