Translation guide
The English word 'belch' refers to the act of expelling gas from the stomach through the mouth, often with a sound. In Japanese, the most common and neutral term is げっぷ (geppu), which can be used as both a noun and a verb with する. There are also more formal or technical terms, as well as onomatopoeic expressions.
The physical act of belching, typically after eating or drinking.
The most common and neutral word for 'belch' or 'burp'. Used as a noun, and with する to mean 'to belch'.
I burped.
He let out a loud belch.
A slightly more formal or literary term for 'belch'. Less common in everyday speech.
To not even hint at something (idiom: not even let out a belch).
A technical/medical term for belching. Rarely used in daily conversation.
Belching is a symptom of indigestion.
The verb phrase meaning 'to belch' or 'to burp'. This is the most natural way to express the action.
The baby burped.
I burped and felt better.
Literally 'a belch comes out'. A common way to describe an involuntary belch.
When I drink carbonated beverages, I burp.
Used figuratively to describe something being expelled forcefully, like a volcano or chimney.
げっぷ is the everyday word for 'belch'. おくび is more formal and often used in set phrases. 噯気 is a medical term and rarely used outside of clinical contexts.
Holding in a burp is not good for you.
Belching loudly in public is generally considered impolite in Japan, similar to many Western cultures. If you need to excuse yourself, you can say 失礼しました (しつれいしました) after a belch.
The factory chimney is belching black smoke.
ドラゴンが炎を吐き出した。
The dragon belched flames.