单词tack
n.: 方针；方法；大头钉；马具
v.: 抢风行驶；（用平头钉）钉住；绷；用粗线脚缝
网络: 粘性；图钉；粗缝
方针；方法；思路:
the way in which you deal with a particular situation; the direction of your words or thoughts
（帆船的）抢风调向，抢风行驶:
the direction that a boat with sails takes as it sails at an angle to the wind in order to fill its sails
（尤指把地毯钉在地板上的）平头钉，大头钉:
a small nail with a sharp point and a flat head, used especially for fixing a carpet to the floor
粗线脚缝；假缝:
a long loose stitch used for holding pieces of cloth together temporarily, before you sew them finally
鞍辔；马具:
the equipment that you need for riding a horse, such as a saddle and bridle
（用平头钉）钉住:
to fasten sth in place with a tack or tacks
绷；用粗线脚缝:
to fasten pieces of cloth together temporarily with long loose stitches before sewing them finally
抢风行驶；换抢；作之字形航行:
to change the direction of a sailing boat so that the wind blows onto the sails from the opposite side; to do this several times in order to travel in the direction that the wind is coming from
【航海】抢风掉向;改变方针
附加,添
拼拢
改变方向
改变...的方向
贴,挂
暂时缝上,假缝,粗缝
(英议会在财政法案上)附加没有关系的条款
(用平头钉)钉
钉住
【航海】食物
【航海】纵帆当风面的上下角索;横帆当风面的上下角;(视帆向而定的)航向;同一航向的一个航程;逆风换抢,抢风行驶;〔转义〕曲折前进
劣质材料;赝品;华丽而不值钱的小玩意;破烂物品
(英议会随财政法案提出的)附带条款
(半干油漆等的)黏着性
〔苏格兰语〕贷借契约,借地契约;租得的牧地
(裁缝)暂缝,粗缝,假缝
平头钉;图钉
策略,政策
方针;方法;策略
复数：tacks
过去分词：tacked
现在分词：tacking
v.pinnailfastenattachappendn.screwfastenerapproachtacticline
v.unfastenremove
The decision was an abrupt change of tack a month after the company said an independent committee had found no fraud.
这一决定来得非常突然。此前一个月，该公司曾表示一个独立委员会没有发现任何欺诈行为。
When it came -- thirty cents -- he pinned it up in his trailer, brass-headed tack in each corner.
明信片到了，三十美分。他把它贴在自己车里，四个角用黄铜大头钉钉住。
Maybe, but you know, it"s hard to tell for sure after all this time if Ida Tack"s group did discover element 43.
或许是吧。但是这么长时间之后，很难确定爱德泰克的团队是否真的发现了43号元素。
More recently some people have taken a tack of not trying to sell a more expensive computer , but selling something less .
更最近一些人们有带不尝试卖一部比较贵的计算机的大头钉，但是销售比较少的东西。
He sounded more sincere (and more desperate) than before. He may even have been trying to signal a change of tack.
这一回他听起来似乎比以前诚恳许多（可是更加绝望），他甚至可能试图做出改弦更张的姿态。
At this point Greene changes tack as he considers Hugh Everett III"s Many Worlds Interpretation of Quantum Mechanics.
这个时候，Greene考虑到HughEverettIII的《量子力学的多重世界解读》，于是他改变了策略。
When he had scouted the idea of that kind of toil, he took another tack.
当他驳够了做苦工的念头以后，他的思想转到了别的上面。
When he found he could not secure my attention for the school course, he gave up the attempt as hopeless and went on a different tack.
当他发现他不能使我的注意力维持在学校的科目上时，就绝望地放弃了这种努力，而另辟蹊径。
The Democrats were clever enough to tack to the centre at a time when the Republicans appeared to have lurched to the extreme right.
民主党人士也相当聪明，他们见风使舵扮演中间派角色，而此时的共和党人开始走向极右的惨败之路。
DAB out: A means of comparing or examining ink properties such as tack or ink it down to a thin film on the ink slab with a circular motion.
拍试：手来检查或比较油墨特性如粘度和颜色的方法。用手指掭取小量油墨，在油墨械一以打圈方式把它分薄。