jat1 jat6 cin1 lei5一日千里

Jyutpingjat1 jat6 cin1 lei5
Yaleyāt yaht chīn léih
形容詞

Definition

To advance or improve at a high speed.

neutraldescriptions

How it's used

This idiom is frequently used to describe fields that are evolving rapidly, such as technology, medicine, or personal skill acquisition. It carries a positive connotation of impressive growth or improvement. While it is a four character idiom, it is perfectly acceptable to use in casual conversation when you want to emphasize how quickly something is changing.

Common phrases

technological development is advancing by leaps and bounds

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
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Particle
Connector