chàng​gāo​diào

empty talk

Senses

唱高调/ 唱高調 chàng​gāo​diào empty talk

expression · to use high-flown but empty rhetoric; to speak fine sounding but impractical words

别只会唱高调,要做点实事。

唱高调/ 唱高調 chàng​gāo​diào sing high part

expression · to sing the high part or melody in a musical performance

他在合唱团里负责唱高调。

References

erhua_variant 唱高调儿/唱高調兒 唱高调/唱高調