"Pointing at your pen" 指着你的钢笔用英语可以说成 "pointing at your pen" 。
这个短语是由两个单词组成的，分别是"pointing"和"at", "pointing"是动词，表示“指向”， "at" 是介词，表示“在...上面”。结合在一起，表示“指着”。
例句：
He was pointing at the map while explaining the plan.
他在解释计划的时候指着地图。
She pointed at her watch to indicate that it was time to leave.
她指着她的手表表示是时候离开了。
He pointed at the pen on the table, signapng that it was time to start the meeting.
他指着桌上的钢笔，表示是时候开始会议了。