pin！

首饰jewellery

2.胸针；饰针a short thin piece of stiff wire with a sharp point at one end and an item of decoration at the other, worn as jewellery

徽章badge

3.（有别针的）徽章a type of badge that is fastened with a pin at the back

电器electrical

5.（插头的）销one of the metal parts that stick out of an electric plug and fit into a socket

for two pins

恨不得；恨不能used to say that you would like to do sth, even though you know that it would not be sensible

固定；连接fasten/join

1.~ sth + adv./prep.（用大头钉等）固定，别上，钉住to attach sth onto another thing or fasten things together with a pin, etc.

阻碍prevent movement

2.~ sb/sth + adv./prep.使不能动弹；按住；钳住to make sb unable to move by holding them or pressing them against sth

pin (all) your hopes on sb/sth|pin your faith on sb/sth

完全依赖；寄希望于；指望to rely on sb/sth completely for success or help

1.钉;楔;栓,销;(弦乐器上调弦的)轸子;发夹;测针;【电】插头;管脚;【航】桨架脚

2.别针,扣针,饰针;有别针的徽章

3.〈口〉腿

4.(装四加仑半的)小桶

5.没价值的东西,琐碎东西

6.靶心

1.(用钉等)钉住,别住,扣住(up together on to);刺穿

2.(用障壁等)围住,关住 (up) 〔俚语〕抓住;【军】牵制

3.按住;按住使不能动 (against) (用条约等)束缚住 (to)

4.把...归罪于 (on)

1.(=personal identification number)个人标识号

1.a small thin piece of metal with a sharp point, used for holding cloth in place while you are sewing

2.a piece of jewelry that you wear on your clothes. The British word is brooch.; a thin pointed piece of metal worn on your clothes as jewelry or worn to hold something in place

3.a thin piece of metal or wood, used especially to hold things together; one of the metal parts of an electrical plug that fits into the wall; the metal part that a soldier pulls out of a hand grenade before throwing it; a thin piece of metal that a doctor puts through a broken bone to support it

4.one of the tall objects that you knock over in the game of bowling

5.personal identification number: a set of four numbers that you put into a cash machine in order to take money out of your bank account

1.to fasten something, or to hold it in place using pins

2.to hold someone very firmly so that they cannot move

1.(=personal identification number)