If I pin one more diaper I may go insane.

假如我再多捡一个尿布我就会疯掉。

youdao

Now look at the socket on the motherboard: this socket should have a missing hole or should have a 1 indicating pin one.

现在，观察一下主板上的插槽：该插槽应当有一个盲孔或是一个数字1来指示针1的位置。

youdao

You can't pin this one on me—I wasn't even there!

这事你不能怪罪我。我当时根本不在场！

《牛津词典》

The kingpin is the number one pin.

VOA: special.2009.11.29

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