nephews
n．侄子（复数）：指兄弟姐妹的儿子。
例句
His sons, brother and nephews were his armed sidekicks.
他的儿子，兄弟和侄子都是他的左膀右臂，他们都配备了武器。
《柯林斯英汉双解大词典》
That's what happened to my friend's nephews.
这是发生在我朋友的侄子身上的事。
I've decided that nephews can be very useful.
我发现侄子们很有用。
