Chinese dialogue; Guî zhïdào! Only the devil knows!

Example 1:
A: Bù zhïdào míngtiän tiänqì zênmeyàng.
B: Guî zhïdào! Zhè jî tiän tiänqì lâo biàn, yíhuìr qíng, yíhuìr yïn.

A: Don’t know what the weather will be tomorrow.
B: Only the devil knows! The weather is always changing these days: cloudless one hour and overcast the next.

Example 2:
A: Lâobân shénme shíhou gêi wômen jiä xïn ya?
B: Guî zhïdào!

A: When will the boss give us a pay rise?
B: Only the devil knows.

This expression is one of denial that means: “I don’t know”. It expresses the idea that you are unable to understand, are dissatisfied, or don’t care about something. It conveys a tone of dissatisfaction and complaint.

Synonymous Expressions
Shéi zhïdào.
Tiän zhïdào.