谈天说地

tántiānshuōdì

To talk about everything under the sun; random talk.

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tan2 tian1 shuo1 di4

to talk endlessly, talking of anything under the sun

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谈天说(论)地

tán tiān shuō dì

（又作“谈山海经”） talk of everything under (in) the sun

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談天說地|谈天说地 [tán tiān shuō dì] ► to talk endlessly ► talking of anything under the sun