Question

tack n.大头钉；行动方针v.以大头针钉住；附加 (1) 乔用锤子把一只大头钉敲进墙中用来挂一幅画。(2) 现在改变方针是不明智的。(3) 在项目进行过程当中改变方针是个大胆的决定。(4) 演讲人突然改变了论调，把我们都搞糊涂了。(5) 我妈妈在把袖子缝好之前，先用大针脚把它缝好。(6) 他们决定在议案中附加一个修正案。

Accepted Answer

英 [tæk] 美 [tæk] (1) Joe hammered a tack into the wall to hang a picture.(2) It would be unwise to change tack now.(3) It was a brave decision to change tack in the middle of the project.(4) The speaker suddenly changed tack and left us all rather confused.(5) My mother tacked the sleeves on before sewing them.(6) They decided to tack an amendment to the bill. 1[N-COUNT 可数名词]See also:thumbtack；(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. to get down to brass tacks→see: brass； 2[VERB 动词]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.   [V n to n]  [V n with adv]He had tacked this note to her door...他用图钉将这张便条钉在她的门上。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[N-SING 单数名词]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.   [also no det]In desperation I changed tack...我走投无路，于是改变了策略。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[V-ERG 及物/不及物动词](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.   [V]  [V adv/prep]  [V n]  [Also V n prep/adv]We were tacking fairly close inshore...我们沿着近海岸曲折航行。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。The helmsman could tack the boat singlehanded.舵手独自一人就能变换航向。5[VERB 动词]（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.   [V pl-n with together]  [V n prep/adv]Tack them together with a 1.5 cm seam...用 1.5 厘米的针脚将它们暂时缝上。Tack the cord around the cushion.用粗线沿着垫子边绷一圈。相关词组：tack on

英语单词	tack
英美音标	英 [tæk] 美 [tæk]
中文释义	n.大头钉；行动方针 v.以大头针钉住；附加
英语例句	(1) Joe hammered a tack into the wall to hang a picture. (2) It would be unwise to change tack now. (3) It was a brave decision to change tack in the middle of the project. (4) The speaker suddenly changed tack and left us all rather confused. (5) My mother tacked the sleeves on before sewing them. (6) They decided to tack an amendment to the bill.
中文例句	(1) 乔用锤子把一只大头钉敲进墙中用来挂一幅画。 (2) 现在改变方针是不明智的。 (3) 在项目进行过程当中改变方针是个大胆的决定。 (4) 演讲人突然改变了论调，把我们都搞糊涂了。 (5) 我妈妈在把袖子缝好之前，先用大针脚把它缝好。 (6) 他们决定在议案中附加一个修正案。
柯林斯解释	1 [N-COUNT 可数名词]See also:thumbtack ；(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. to get down to brass tacks→see: brass ； 2 [VERB 动词]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. [V n to n] [V n with adv] He had tacked this note to her door... 他用图钉将这张便条钉在她的门上。 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 [N-SING 单数名词]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. [also no det] In desperation I changed tack... 我走投无路，于是改变了策略。 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 [V-ERG 及物/不及物动词](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. [V] [V adv/prep] [V n] [Also V n prep/adv] We were tacking fairly close inshore... 我们沿着近海岸曲折航行。 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。 The helmsman could tack the boat singlehanded. 舵手独自一人就能变换航向。 5 [VERB 动词]（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. [V pl-n with together] [V n prep/adv] Tack them together with a 1.5 cm seam... 用 1.5 厘米的针脚将它们暂时缝上。 Tack the cord around the cushion. 用粗线沿着垫子边绷一圈。相关词组： tack on

Tack [V N Change Changed Sewing Verb 动词