tick-tack

基本解释

• n.(英国赛马经纪人之间用手表示的)秘密信号

同根派生

英汉例句

• The teacher tick off a name on a list.
  老师在名单上的一个名字旁打勾。
• It would be unwise to change tack now.
  现在改变方针是不明智的。
• There was a nice red tick in the margin.
  边上打了一个漂亮的红勾。
• Tack the folds down before you sew them firmly into place.
  先用大针脚将褶子松松地缀住，然后再将其缝纫到位。
• They arrived at six to the tick.
  他们六点正准时到达。