自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-COUNT 别针；大头针 Pins are very small thin pointed pieces of metal. They are used in sewing to fasten pieces of material together until they have been sewn.
...needles and pins...
Use pins to keep the braid in place as you work.
VERB （用别针等）别住；（用图钉等）钉住 If you pin something on or to something, you attach it with a pin, a drawing pin, or a safety pin.
They pinned a notice to the door...
Everyone was supposed to dance with the bride and pin money on her dress...
VERB 按住；压住；使动弹不得 If someone pins you to something, they press you against a surface so that you cannot move.
I pinned him against the wall...
I'd try to get away and he'd pin me down, saying he would kill me...
N-COUNT （尤指把两件东西固定在一起的）销，栓，楔，钉 A pin is any long narrow piece of metal or wood that is not sharp, especially one that is used to fasten two things together.
...the 18-inch steel pin holding his left leg together.
...a two-pin continental adaptor.
VERB （常指不公正地）把…归罪于，把…归咎于 If someone tries to pin something on you or to pin the blame on you, they say, often unfairly, that you were responsible for something bad or illegal.
They're trying to pin it on us...
The trade unions are pinning the blame for the violence on the government.
VERB 把（希望、信心等）寄托在…上 If you pin your hopes on something or pin your faith on something, you hope very much that it will produce the result you want.
The Democrats are pinning their hopes on the next election.
VERB 用发夹把（头发）别住 If someone pins their hair up or pins their hair back, they arrange their hair away from their face using hair pins.
Cleanse your face thoroughly and pin back your hair...
In an effort to look older she has pinned her fair hair into a French pleat.
N-COUNT 胸针；饰针；（背面有别针的）徽章，像章 A pin is something worn on your clothing, for example as jewellery, which is fastened with a pointed piece of metal.
...necklaces, bracelets, and pins.
N-COUNT （手榴弹的）保险针，保险销 A pin is the part of a hand grenade that is pulled out in order to make the grenade explode.
PHRASE 静得连针掉在地上也听得见 You can say you could have heard a pin drop when a place is extremely quiet, especially because everyone is waiting for someone to speak or when someone has made a shocking remark.