When I have something I have to remember (a bill to pay in a few weeks for instance) I put it in a prominent place on the pin board above my computer.

如果有我需要记住的事情，例如过几周就要偿还的账单，我把它放在我电脑上插针板的显著位置。

youdao

Focusing on the pin number, it then goes into a switch structure that takes a different action depending on which sensor is connected to the pin.

以管脚编号为中心，然后再进入到一个switch结构，根据连接到此管脚的传感器来采取不同的措施。

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He supports the group and wears its pin on his lapel.

他支持这个团体，并在翻领上佩戴它的徽章。

《牛津词典》

"I was trying," he said, "to put the history of mankind in one sentence." Later he said, "I am still trying to do it, but now I want to put it all on the head of a pin."

VOA: special.2010.01.03

Today, Mr Sarkozy's rivals on the right pin it on him.

ECONOMIST: French anti-Americanism

On your breadboard connect the MIDI circuit as follows: The collector is connected to a 220 ohm resistor which is connected to the second pin from the left on the back of the female midi connector (labelled pin 5).

ENGADGET: How-To Control Csound with a Custom Midi Controller: Hardware (2 of 2)

He was then spoken to by another member of staff, who said he had breached the dress code but the employee put on a Help For Heroes wristband and kept the pin on.

BBC: Morrisons suspends worker over Help for Heroes wristband