以下是一些高考祝愿词的英语表达：

Good luck!- 祝好运!

Best wishes for success in the exams!- 祝考试成功!

I hope you do well!- 我希望你能考好!

Keep calm and stay focused!- 保持冷静，集中注意力!

You are capable of achieving great things. Believe in yourself!- 你有能力做出伟大的成就，相信自己!

Never give up, and good luck will find you.- 不要放弃，好运总会垂青你的.

If not us, who？ If not now, when？- 如果不靠我们，那要何时？ 如果不趁现在，又待何时？

Tears are not our answer, struggle is our choice.- 眼泪不是我们的答案，拼搏才是我们的选择.

There is no impossible, only unexpected!- 没有做不到的，只有想不到的!祝高考成功!

Wish you a successful start, high school entrance examination!- 祝福你：旗开得胜，高考高中!

I wish all candidates in the world can get ideal results and enter the university they aspire to.- 祝愿天下所有的考生都能考出理想的成绩，进入自己理想的大学.

Believe in your dreams and sweat, success and good luck.- 相信自己的梦想与汗水，成功与好运相伴，高考大捷!

这些祝福词涵盖了鼓励、信心和美好愿望，适合在高考期间使用。希望这些表达能帮助你为考生送上最真挚的祝福。