tack
tack 英 [tæk] 美 [tæk]
n. 大头钉；方法，方针 vt. 附加；钉住
进行时:tacking 过去式:tacked 过去分词:tacked 第三人称单数:tacks 名词复数:tacks
- 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.
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