guài / wú / zhī / dé / 佢 / jīn / rì / 咁 / kāi / xīn / yuán / lái / kǎo / shì / kǎo / de / hěn / hǎo

怪唔之得佢今日咁开心，原来考试考得很好。

No wonder he is so happy today; it turns out he did very well on the exam.