tack 1/tæk/
n.1. 平头钉，大头钉a carpet tack地毯钉
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。
2. 抢风行驶，Z字形航行We sailed on an easter tack.我们向东抢风行驶。
Get through a dense crowd in a series of tacks.东弯西拐地穿过密集的人群。
3. 假缝，粗缝to put a few tacks in粗略地缝上几针
4. 行动方针；策略Since they had failed to persuade the unions， the government tried the new tack of forcing them to agree.自从对工会的劝说失败后，政府试图使用新的策略强迫他们同意。