垂头丧气

考试没有考好也不必垂头丧气，总结经验下次再努力就是了。

kǎo shì méi yǒu kǎo hǎo yě bù bì chuí tóu sàng qì, zǒng jié jīng yàn xià cì zài nǔ lì jiù shì le.

There’s no need to feel down if you don’t do well in the exam, just sum up your experience and try harder next time.