tack
过去式：
动词过去式: tacked
更多词形：
形容词: tackless | 名词: tacker | 动词过去式: tacked | 动词过去分词: tacked | 动词现在分词: tacking | 动词第三人称单数: tacks |
单词例句：
Why, now she's on the other tack!
瞧，现在她又换了一种花样。
It would be unwise to change tack now.
现在改变方针是不明智的。
He may not say much, but he is as sharp as a tack.
他没有多说话,是因为他很聪明。
If you can not persuade him, try a new tack.
如果你不能劝服他，那就试试新的方法吧。
They tack a truck on to the passenger train.
他们在客车屁股上挂一辆敞车，就算货车。
Tack the sleeves on then sew them up.
先缝上袖子，然后再把他们缝制好。
The captain ordered a change of tack.
船长下令改变航向。
His brother is sharp as a tack; he got100 on every test.
他弟弟十分聪明伶俐，每次考试都得100分。
To turn(a ship); change to the opposite tack.
转向把（轮船）转向；变到相反的航向