Many foreign friends used chopsticks when they visited China.
许多的外国朋友在访问中国的时候都使用筷子。
I wondered if you could buy me some pencils?
我不知道你是否能替我买铅笔?
When we use a phrase like 'it serves him right', we are, in part, admitting that a certain set of circumstances has enabled justice to act of its own accord.