The pen is in the schoolbag

钢笔───Pen;书包───a bag

Here, I'll lend you my pen.───喏，我把钢笔借给你。

He who knows only how to wield a pen usually feels quite helpless in the face of practical problems.───光会耍笔杆的人,碰到实际问题往往束手无策.

My pen writes well.───我的笔好使.

This pen writes very well.───这支笔挺好使.

I've been all over the shop trying to find that pen.───我一直在找那支钢笔.

Pen it before you forget it.───记下来,免得忘了.

This dratted pen won't work.───这该死的笔写不出字来。

The lawyer nib his pen, spread out his paper, and prepared to write.───那律师装上笔尖; 摊开纸张, 准备缮写.