change tack
常用于表示策略或方向的转变。
The company decided to change tack and focus on online sales.
公司决定改变方针，专注于在线销售。
方针；办法；策略；马具；粗缝；假缝；航向；迎风航段；抢风调向；迎风转向
a small, sharp nail with a broad flat head, used for fastening things; a thumbtack
带平头的小钉子
A small nail with a flat head.
A stain; a tache.
船只相对于帆的航向或位置
the heading or position of a vessel relative to the trim of its sails
图钉。
A thumbtack.
一种短钉,尖端锋利,头部较大
a short nail with a sharp point and a large head
用于临时固定布料的松缝
A loose seam used to temporarily fasten pieces of cloth.
马具
gear for a horse
帆船迎风行驶时,帆前缘的下角。
The lower corner on the leading edge of a sail relative to the direction of the wind.
使帆船能够逆风航行的航线或航向。
A course or heading that enables a sailing vessel to head upwind.
A direction or course of action, especially a new one; a method or approach to solving a problem.
The maneuver by which a sailing vessel turns its bow through the wind so that the wind changes from one side to the other.
The distance a sailing vessel runs between these maneuvers when working to windward; a board.
A rope used to hold in place the foremost lower corners of the courses when the vessel is close-hauled; also, a rope employed to pull the lower corner of a studding sail to the boom.
Any of the various equipment and accessories worn by horses in the course of their use as domesticated animals.
The stickiness of a compound, related to its cohesive and adhesive properties.
Food generally; fare, especially of the hard bread or breadlike kind.
That which is attached; a supplement; an appendix.
She pressed a bright blue tack into the map to mark the city we were visiting.
她把一枚亮蓝色的图钉按进地图，标出我们当时要参观的城市。
用法提示：tack 是名词，作 pressed 的宾语，意为图钉（带平头的短钉）。
The teacher removed the tacks from the bulletin board before putting up the new notices.
老师在张贴新通知之前把公告栏上的图钉取了下来。
用法提示：tacks 是名词复数，作 removed 的宾语，指固定公告的图钉。
A few tacks held the loose corner of the carpet in place.
几枚平头钉把地毯松动的边角固定住了。
用法提示：tacks 是名词复数，作主语，指用来固定地毯的小平头钉。
常用于表示策略或方向的转变。
The company decided to change tack and focus on online sales.
公司决定改变方针，专注于在线销售。
比喻用法，指思路或方法正确与否。
We seem to be on the right tack with this new marketing strategy.
我们似乎通过这个新营销策略走对了路子。
If this approach fails, we should try a different tack.
如果这种方法失败，我们应该尝试不同的方针。
thumbtack 是美式英语常用词，与 tack 在图钉义上可互换，但更常特指用手按压即可固定的图钉。
pushpin 强调帽较大、方便手按，比 thumbtack 稍正式；在英式英语中更常用 drawing pin。
drawing pin 是英式说法，意思与 thumbtack 相同，但美国英语中不常用，学习者应避免跨地区混用。
grammar · medium
易错句子We should tack a different approach to this problem.
正确表达We should try a different tack to this problem.
学习者将'tack'误用作动词，但在“行动方针”意义下，'tack'是名词，需用'try a different tack'。
grammar · medium
易错句子We need to change the tack to solve this issue.
正确表达We need to change tack to solve this issue.
在表示“改变方针”时，'change tack'是固定短语，不需要冠词'the'。
tactic 指具体的计划或方法，而 tack 指行动方向或方针（例如改变方向）
tackle 指体育或捕鱼等用的装备，或表示处理（动词），而 tack 作名词时指平头钉或行动方针
tag 和 tack 发音相近，但 tag 指标签，而 tack 指平头钉或行动方针
地毯钉；平头小钉子
He drove a carpet tack into the floor to stop the rug from slipping.
他把一枚地毯钉钉进地板，防止地毯滑动。
平头钉锤
Use a tack hammer to drive the tacks into the wood.
用平头钉锤把钉子钉进木头里。
马具室
After cleaning the saddles, the riders stored them in the tack room.
骑手们把马鞍清洗干净后，存放在马具室里。
改变航向；换舷
The crew changed tack to sail around the island.
船员们改变航向，绕着岛航行。
左舷受风（航向）
The sailboat on the port tack gave way to the other boat.
左舷受风的帆船给另一条船让了路。
临时定位线；裁缝粗缝
The tailor used a tailor's tack to mark the hem.
裁缝用临时定位线标出下摆的位置。
thumb + tack
tack + room
tack + strip
tack + cloth
tack + hammer
图钉通常用来把纸张或通知固定在布告板上。
软木板质地松软，适合插入图钉，是常见的搭配。
图钉属于文具类物品，常与别针、回形针等一起收纳。
教室中常用图钉展示学生作品或张贴通知。
图钉常被用来把通知钉在墙上或展示板上。
改变方针；换一种方法
The talks were going nowhere, so we decided to change tack.
会谈毫无进展，于是我们决定改变方针。
方向错误；思路不对
The investigation is on the wrong tack.
调查走错了方向。
讨论实质问题；谈正题
Let's come down to brass tacks and talk about the budget.
咱们谈正事，讨论一下预算吧。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.