'Hal' is an abbreviation for halitosis, from which he suffers.

“哈儿”是“哈口臭”的简称，它口臭的毛病不轻。

Bad breath, a.k.a. halitosis, can be more than a social inconvenience.

口腔异味即口臭，可能不仅仅是社交不便那么简单。

Around 25 per cent of the population has chronic bad breath, often called halitosis.

全球约25%人口患有慢性口臭，我们经常称之为“halitosis”。

This sensor showed high potential for simple halitosis diagnosis with your breath anytime anywhere in a very short time.

“感器可以随时随地在极短的时间内对你的呼吸进行简单的口臭诊断。”

Repeated vomiting can lead to erosion of dental enamel, sialadenosis, which is swelling of the parotid gland, and halitosis, or very bad breath.

反复呕吐会导致牙釉质被胃酸腐蚀，唾液腺良性肥大，表现为腮腺肿胀，还有口臭。