The items he creates are so small that most of them fit on the head of a pin.

他创造的东西非常小，大多数都可以放在针尖上。

youdao

Sixth Place: Dancing on the Head of a pin.

第六名：在大头针上跳舞。

youdao

Life and business today doesn't let you count how many angels can fit on the head of a pin.

但今天的生活和商业可不允许你在一个问题上纠缠太久。

youdao

"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

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

BBC: Global warming: Andrew Pendleton and James Delingpole

Some 900 million of these zinc oxide crystals can fit in a single layer on the head of a pin.

FORBES: The science of small

The amount of ricin that can fit on the head of a pin is said to be enough to kill an adult if properly prepared.

WSJ: 'The perfect poison': Ricin used in 3 recent cases