tack

名词 tack:

1. the heading or position of a vessel relative to the trim of its sails
2. a short nail with a sharp point and a large head
3. gear for a horse
   同义词：stable gear, saddlery
4. (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind
   同义词：sheet, mainsheet, weather sheet, shroud
5. (nautical) the act of changing tack
   同义词：tacking
6. sailing a zigzag course

动词 tack:

1. fasten with tacks
2. turn into the wind
   同义词：wear round
3. create by putting components or members together
   同义词：assemble, piece, put together, set up, tack together
4. sew together loosely, with large stitches
   同义词：baste
5. fix to; attach
   同义词：append, tag on, tack on, hang on
6. reverse (a direction, attitude, or course of action)
   同义词：interchange, switch, alternate, flip, flip-flop

1. The speaker suddenly changed tack and left us all rather confused.
   演讲人突然改变了论调，把我们都搞糊涂了。
2. I hammered a tack into the wall and hung a small picture from it.
   我在墙上钉了一个图钉，然后在上面挂了一张小图片。
3. My mother tacked the sleeves on before sewing them.
   我妈妈在把袖子缝好之前，先用大针脚把它缝好。