If you are to have an important exam, you'd better prepare one more pen in reserve.

如果你将要参加一场重要的考试的话，你最好准备多一支备用的笔。

youdao

I can never find a pen in this house. They disappear as soon as I buy them.

我在家里从来找不到一支笔。每次我一买来就不翼而飞。

《牛津词典》

First, read a chapter with one pen in your hand and others next to you on the desk.

首先，读一个章节的时候手里拿一支笔，其他的放在你旁边的桌上。

youdao

She began making a pen and ink drawing for a story in a magazine.

VOA: special.2009.08.01

and that they're holding the pen in the right hand in a wide shot,

还要保证的是演员在远景里用右手拿笔，

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And, believe it or not, I have students walk in and first thing a hand goes up and says do you have a pen? I cannot believe it.

不管信不信，我有些学生走进来，第一件事就举起手问,你有没有笔，难以置信。

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Don't expect a smoking pen in the form of a blatant quid pro quo.

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I'm glad I had a pen in my pocket, because I don't have any other props here.

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He offered the pen in the direction of Mr. Tuttle, who did not deign to receive it.

NEWYORKER: The Limner