friend造句

How do we know you're not just covering up for your friend?
我们怎么知道你不只是在为自己的朋友遮掩呢?

I might buy one for a friend's birthday as a giggle.
我可能会买一件送给朋友当生日礼物,逗他开心。

His best friend was killed by police under extremely questionable circumstances.
他最好的朋友在极其可疑的情况下被警察打死了。