jiǎ​dà​kōng

empty words; boastful and superficial

Senses

假大空 jiǎ​dà​kōng pretentious person

A person who habitually uses false, big, and hollow words

References

abbreviation 假大空/假大空 → 假话/假話
abbreviation 假大空/假大空 → 大话/大話
abbreviation 假大空/假大空 → 空话/空話