The room was so still that you could have heard a pin drop.

那房间静得针掉在地上都能听到。

《新英汉大辞典》

Apple Maps will place a pin at the position where your car is parked.

苹果地图会在你停车的地方显示一个大头针图像。

youdao

Prick holes in the paper with a pin.

用大头针在纸上扎洞。

《牛津词典》

It was exactly like the point of a pin.

VOA: special.2010.03.06

A kind of a pin used to hold your cloak together, called a fibula, unknown in the previous period.

一种别住披风的别针,称之为扣针,这在之前的时期从未出现过

耶鲁公开课 - 古希腊历史简介课程节选

Which is sort of a childhood nursery rhyme. And then they cut to this pig and a car with two pin wheels,

这是小时候的儿歌。然后镜头切换到猪和有风车的车，

广告泛滥 - SpeakingMax英语口语达人

"You could hear a pin drop, " says Charles Dockendorff, chief financial officer and another Tyco veteran.

FORBES: Magazine Article

During the surgery, Ponting had a pin inserted in his wrist by surgeon Greg Hoy.

BBC: Ponting plays down injury concern

We are in the realm, here, of angels dancing on the head of a pin.

BBC: Global warming: Andrew Pendleton and James Delingpole