祝考试好运！

Good luck on the exam!

Source: Tatoeba

Sentence Composition

=1 祝 Zhù surname Zhu
=1 祝 zhù
  1. to pray for
  2. to wish (sb bon voyage, happy birthday etc)
  3. person who invokes the spirits during sacrificial ceremonies
=1 祝 zhòu alternative form of 咒 (zhòu, “to curse”)
2 考试 kǎoshì
  1. to take an exam
  2. exam

classifier: 次
3 好运 hǎoyùn good luck