pin虽然只有3个字母，但却有很多意思，一起来了解一下吧。
pin ①（尤指用于固定布料用的）别针，大头针
I'll keep the trouser patch in place with pins while I sew it on.
在把裤子的补丁缝上去时，我会用别针把它固定好。
②饰针/胸针
a hat/tie pin
女帽饰针/领带夹
Don't prick yourself on those pins.
别被那些别针扎到。
③腿
Grandpa's very old now and he's very shaky on his pins.
爷爷现在年纪很大了，走路有点不稳。
④国际象棋中的牵制，困子
That nasty pin stopped me from moving my knight.
这步讨厌的牵制，使我无法移动我的马。
它同样也可以作为动词使用。
⑤（用别针等）别住，钉住，固定住
She had pinned up her beautiful long hair.
她把她那美丽的长发用发夹别了起来。
⑥按住，压住
A guy leaped out at me and pinned me (up) against the wall.
一个家伙向我扑过来，把我按在了墙上。
除此之外，pin还是personal identification number的缩写，表示个人身份识别码，银行卡密码。
pin back your ears 倾听，仔细听
pin your hopes on something/someone 把希望寄托在…上
be on pins and needles 如坐针毡，焦虑不安，急得要命
pin someone down（使）（某人）明确说明;（使）（某人）作出决定
I've tried asking Stephanie, but she's proving difficult to pin down to a particular date.
我已经问过斯蒂芬妮了，可她很难确定具体日期。
pin something down 清楚地知道；确认
We can't pin down where the leak came from.
我们无法确定哪里发生了泄漏。
pin something on someone 把…归咎于（尤指无辜者）
You can't pin the blame on her - she wasn't even there when the accident happened.
你不能把责任推到她身上——事故发生时她根本不在现场。
那ogg又是什么呢？
ogg = Olympic games gold 奥运冠军
Her new trainer has promised to make her become ogg.
她的新教练承诺会让她成为奥运冠军。
除了ogg，我们还可以说“an Olympic gold medallist”。返回搜狐，查看更多