Meaning of zhēn shi:
zhēn shi
真是
Adverb
indeed; truly
Jīntiān de tiānqì zhēn shì hěn hǎo.
今天的天气真是很好。
Today's weather is truly nice.
Interjection
(coll.) (used to express disapproval, annoyance etc)
Zhè cì kǎoshì nǐ jūrán méi zhǔnbèi, bù shì wǒ shuō, nǐ zhēn shì tài mǎhǔ le.
这次考试你居然没准备,不是我说,你真是太马虎了。
You didn't even prepare for the exam; honestly, you're really too careless.