expression, i-adjective
having bad breath; having halitosis
A straightforward phrase describing someone whose breath smells unpleasant. Used in everyday conversation.
朝起きたときは口が臭いことが多い。
My breath often smells bad when I wake up in the morning.
彼は口が臭いから、ガムをあげた。
He had bad breath, so I gave him some gum.