1. We tacked some posters on the wall.
    我们把一些海报钉在墙上。

2. They''ve tacked a couple of new clauses on to the end of the contract.
    他们在合同的末尾加了两条新的条款。

1. The sailing ship was tacking.
    帆船一路换抢航行。

1. If you can''t persuade him, try a new tack.
    如果你不能劝服他，那就试试新的方法吧。

2. We sailed on an easter tack.
    我们向东抢风行驶。

3. Hammered a tack into the wall and hung a small picture from it.
    用锤子往墙上钉上一颗钉子，在上面挂一幅小画。

1. tack的解释

1. 粘性：我们知道,粘性(tack)这一独立特性由树脂的增塑剂的混合状态所决定. 油墨的粘性过高同下述几个油墨制造环节有关:加热过度,树脂和已老化的增塑剂分散状况不佳(树脂把增塑剂全部吸收),填充料选用不当. 上述环节通常与油墨生产速度或者原料成本有关.

2. 大头钉：进入医院大厅,拔掉地上的楔(wedge)就可以将他关在小房间里了,但是他还是不大老实,在门上的窥视洞(peephole)里使用毒箭桶(poisoned blowgun),搞定他,大厅安静了. 在大厅的插钉板(pin board)上,找到大头钉(tack),将.

3. 鞋跟固定钉：tabi日式矿工鞋 | tack鞋跟固定钉 | tack hole打钉子(楦底孔供打中底用)

1. (尤指固定地毯的)大头钉，平头钉
    A tack is a short nail with a broad, flat head, especially one that is used for fastening carpets to the floor.

\u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD

2. 用大头钉(或图钉)固定
    If you tack something to a surface, you pin it there with tacks or drawing pins.

    e.g. He had tacked this note to her door...
           他用图钉将这张便条钉在她的门上。
    e.g. She had recently taken a canvas from the theater and tacked it up on the wall.
           她最近从剧院拿回一幅油画，用图钉把它钉在了墙上。

3. 方法;策略;思路
    If you change tack or try a different tack, you try a different method for dealing with a situation.

    e.g. In desperation I changed tack...
           我走投无路，于是改变了策略。
    e.g. This report takes a different tack from the 20 that have come before.
           这份报告和此前的 20 份报告采取的思路不同。

4. (使)(船只)曲折航行，蜿蜒航行
    If a sailing boat is tacking or if the people in it tack it, it is sailing towards a particular point in a series of sideways movements rather than in a straight line.

    e.g. We were tacking fairly close inshore...
           我们沿着近海岸曲折航行。
    e.g. Our last trip involved a coastal passage, tacking east against wind and current...
           我们上次旅行时曾经沿着海岸，逆着风浪向东曲折航行。

5. （用大针脚）粗缝，暂时缝上
    If you tack pieces of material together, you sew them together with big, loose stitches in order to hold them firmly or check that they fit, before sewing them properly.

    e.g. Tack them together with a 1.5 cm seam...
           用 1.5 厘米的针脚将它们暂时缝上。
    e.g. Tack the cord around the cushion.
           用粗线沿着垫子边绷一圈。

相关词组：tack on

1. sailing a zigzag course

2. (nautical) the act of changing tack

    Synonym: tacking

3. (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind

    Synonym: sheetmainsheetweather sheetshroud

4. gear for a horse

    Synonym: stable gearsaddlery

5. a short nail with a sharp point and a large head

6. the heading or position of a vessel relative to the trim of its sails

1. reverse (a direction, attitude, or course of action)

    Synonym: interchangeswitchalternateflipflip-flop

2. fix to
    attach

    e.g. append a charm to the necklace

    Synonym: appendtag ontack onhang on

3. sew together loosely, with large stitches

    e.g. baste a hem

    Synonym: baste

4. fasten with tacks

    e.g. tack the notice on the board

5. create by putting components or members together

    e.g. She pieced a quilt
           He tacked together some verses
           They set up a committee

    Synonym: assemblepieceput togetherset uptack together

6. turn into the wind

    e.g. The sailors decided to tack the boat
           The boat tacked

    Synonym: wear round