Japanese meaning of 破顔一笑

Reading:
はがんいっしょう (hagan isshō)

English Translation:

Breaking into a broad smile from joy or relief.

Meaning & Cultural Context

Meaning:


A broad smile breaking out, usually from joy or relief.

Cultural Context:


Originates from classical Chinese literature, depicting a person breaking into a smile as their stern demeanor softens. Often used in literature and modern speech to describe moments of warmth or emotional release.

Grammar & Learning Points

Grammar Point

• Noun phrase with “の笑顔” or “の表情” to describe a smile (“破顔一笑の表情”).
• Often appears in literary or descriptive writing.

Trap for English Speakers

May be misread as only "laughing", but it's specifically "smiling broadly".

Example

Basic Example

子どもの一言に、彼は破顔一笑した。

At the child’s comment, he broke into a broad smile.


Applied Example

優勝が決まった瞬間、彼女は破顔一笑した。

The moment victory was decided, she broke into a beaming smile.