1·This ball pen is for you.
这枝圆珠笔是给你的。
2·Has anybody seen my ball pen?
有人看到我的圆珠笔了吗？
3·It is a ball pen.
这是一支圆珠笔。
4·There is only one ball pen in the pencil box.
这铅笔盒里只有一支圆珠笔。
5·The teenage boys and girls become regarding me theirs happy first love analogy a ball pen, definitely is greatly thinks otherwise, perhaps therefore must rally together to attack.
少男少女们对于我把他们的美好初恋比喻成一支圆珠笔，肯定是大不以为然，也许因此要群起而攻之。