expression, i-adjective
feel sick; nauseated
Describes a physical feeling of nausea or queasiness, often from illness, disgust, or a disturbing sight.
車に酔って胸が悪くなった。
I got carsick and felt nauseated.
その光景を見て胸が悪くなった。
The sight made me feel sick.
expression, i-adjective
Expresses anger or irritation that feels like a physical discomfort in the chest. Often used when someone's behavior is offensive or infuriating.
彼の失礼な態度には胸が悪くなる。
His rude attitude makes me angry.
A compound of 胸 (chest) + が (subject marker) + 悪い (bad). The expression literally means 'the chest is bad,' reflecting the physical sensation associated with nausea or anger.