Japanese meaning of 一を聞いて十を知る

Reading:
いちをきいてじゅうをしる (ichi o kiite jū o shiru)

English Translation:

A word to the wise is sufficient

Meaning & Cultural Context

Meaning:


Grasping the whole from a small clue.

Cultural Context:


Praised in schooling and corporate training; ties to reading context and nonverbal cues.

Grammar & Learning Points

Grammar Point

• 一を聞いて = “hearing one” (numeral + verb in te-form)
• 十を知る = “to know ten” (numeral + verb in plain form)
Parallel structure indicating the ability to infer much from little.

Trap for English Speakers

Might be taken as actually about numbers; it’s about inferring the whole from a small clue.

Example

Basic Example

一つのことを聞いただけで多くを理解できる人がいる、一を聞いて十を知るだ。

Some can understand a lot from a little—a word to the wise is sufficient.


Applied Example

彼女の一言で全部察した、一を聞いて十を知るタイプだ。

From her one hint, I understood everything—a word to the wise is sufficient.