您要查找的是不是：
- self threading pin 自攻钉
- A fastener consisting of a threaded pin or rod with a head at one end, designed to be inserted through holes in assembled parts and secured by a mated nut that is tightened by applying torque. 螺栓一种由可穿过的栓或竿构成的条形紧固器，一端有头，用于插进集合部分相应的孔，再用配对的螺帽旋紧
- Let's pin the notice on the bulletin board. 咱们把这个通知钉在布告牌上吧。
- I prick the map with a pin to show our route. 我用大头针在地图上扎孔标出我们的路线。
- I bought a tie pin for my husband yesterday. 昨天我给丈夫买了一支领带别针。
- It may take an hour to wind off all the thread. 把所有线都松下需一个小时。
- I do not like to go to the movies by my self. 我不喜欢自己一个人看电影。
- I my self is going to make a sandwich. 我要亲手做个三明治。
- She was threading her way through the crowd. 她正从人群中挤过去。
- He was a wreck of his former self. 他身体坏得不成样子，已兴从前判若两人。
- The thread seems to match the cloth. 这线和这布似乎很相称。
- Knowledge of self increases as one gets older. 随着年岁的增长，人们的自我认识也不断加深。
- She's a difficult person to pin down. 她这人行事、说话没个准儿。
- He's not looking like his old self lately. 他最近看起来不像以前那样。
- How many spools of thread did you use? 你用了几轴线?
- A pin in the print head of a computer printer. 撞针计算机打印机的印刷头上的撞针
- He is my best friend, my second self, as it were. 他是我最好的朋友，或者说，是第二个我。
- It is evident you never cared a pin for me. 很明显，你从来就不把我放在心里。
- He never has any thought of self. 他从不考虑个人得失。
- I'm afraid I've lost the thread of your argument. 我恐怕没有抓住你的论据的思路。
