戳

他不小心用铅笔把纸戳了一个洞。

He accidentally poked a hole in the paper with his pencil.

这句话正好戳到了他的痛处，他顿时不说话了。

That remark hit him right where it hurt, and he immediately fell silent.

请在这封信上盖一个邮戳。

Please place a postmark on this letter.

这个戳是红色的，代表已经付过钱了。

This stamp is red, which means the payment has already been made.