- A tack is a small, sharp pin or nail with a wide head. You can use tacks to attach your flyers to the telephone poles in your neighborhood.
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- n. 大头钉；方法，方针
- vt. 附加；钉住
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1. a complete change of tack
方法的完全改变
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2. It was a brave decision to change tack in the middle of the project.
在项目进行过程当中改变方针是个大胆的决定。
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3. His thoughts wandered off on another tack.
他离开了原来的思路。
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4. a carpet tack
地毯钉
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5. The carpet was tacked to the floor.
地毯是用平头钉钉在地板上的。
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6. The poems were tacked on at the end of the book.
这几首诗给附在书的末尾。
- tack (n.1) "clasp, hook, fastener," also "a nail" of some kind, c. 1400, from Old North French taque "nail, pin, peg" (Old French tache, 12c., "nail, spike, tack; pin brooch"), probably from a Germanic source (compare Middle Dutch tacke "twig, spike," Frisian tak "a tine, prong, twig, branch," Low German takk "tine, pointed thing," German Zacken "sharp point, tooth, prong"), from Proto-Germanic *tag-. Meaning "small, sharp nail with a flat head" is attested from mid-15c. The meaning "rope to hold the corner of a sail in place" is first recorded late 15c.
- tack (n.2) "horse's harness, etc.," 1924, shortening of tackle (n.) in sense of "equipment." Tack in a non-equestrian sense as a shortening of tackle is recorded in dialect from 1777.
- tack (n.3) "food" in general, but in dialect especially "bad food," and especially among sailors "food of a bread kind," 1833, perhaps a shortening and special use of tackle (n.) in the sense of "gear." But compare tack "taste" (c. 1600), perhaps a variant of tact.
- tack (v.1) late 14c., "to attach" with a nail, etc., from tack (n.1). Meaning "to attach as a supplement" (with suggestion of hasty or arbitrary proceeding) is from 1680s. Related: Tacked; tacking.
- tack (v.2) "turn a ship's course toward the wind at an angle," 1550s, from tack (n.1) in the ship-rigging sense (the ropes were used to move the vessel temporarily to one side or another of its general line of course, to take advantage of a side-wind); hence tack (n.) "course of conduct or mode of action suited to some purpose" (1670s), from figurative use of the verb (1630s). Related: Tacked; tacking.
tack / tæk ; NAmE tæk / noun , verb tack tacks tacked tacking noun 1 [uncountable , singular ] the way in which you deal with a particular situation; the direction of your words or thoughts 方针；方法；思路 ◆ a complete change of tack 方法的完全改变 ◆ It was a brave decision to change tackin the middle of the project. 在项目进行过程当中改变方针是个大胆的决定。 ◆ When threats failed, she decided to try/take a different tack. 威胁不成，她便决定变换策略。 ◆ His thoughts wandered off on another tack. 他离开了原来的思路。 2 [countable , uncountable ] ( technical 术语 ) the direction that a boat with sails takes as it sails at an angle to the wind in order to fill its sails （帆船的）抢风调向，抢风行驶 ◆ They were sailing on (a) port/starboard tack (= with the wind coming from the left/right side). 他们正在左╱右舷抢风行使。 3 [countable ] a small nail with a sharp point and a flat head, used especially for fixing a carpet to the floor （尤指把地毯钉在地板上的）平头钉，大头钉 ◆ a carpet tack 地毯钉 ☞compare nail n. (2 ) 4 [countable ] ( NAmE) = thumbtack ☞see also Blu-tack 5 [countable ] a long loose stitchused for holding pieces of cloth together temporarily, before you sew them finally 粗线脚缝；假缝 6 [uncountable ] ( technical 术语 ) the equipment that you need for riding a horse, such as a saddleand bridle 鞍辔；马具 IDIOMsee brass verb 1 [transitive ] tacksth + adv./prep. to fasten sth in place with a tackor tacks （用平头钉）钉住 SYN nail ◆ The carpet was tacked to the floor. 地毯是用平头钉钉在地板上的。 2 [transitive ] tacksth (+ adv./prep.) to fasten pieces of cloth together temporarily with long loose stitchesbefore sewing them finally 绷；用粗线脚缝 3 [intransitive ] ( technical 术语 ) 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 抢风行驶；换抢；作之字形航行 PHRASAL VERB ˌtack sth↔ˈon | ˌtack sth ˈonto sth ( informal) to add sth to sth that already exists, especially in a careless way （尤指漫不经心地）附加，增补，添加 ◆ The poems were tacked on at the end of the book. 这几首诗给附在书的末尾。 tack / tæk ; NAmE tæk /
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