呕吐
How to Understand
呕吐 (ǒu tù) refers to the act of expelling stomach contents through the mouth, typically due to illness, poisoning, or overeating. It is distinct from regurgitation, which is a more passive process without the forceful expulsion associated with vomiting.
The character 呕 (ǒu) originally meant to vomit and is often used in compounds related to nausea. 吐 (tǔ) means to spit or expel, and together they form a compound that precisely describes the physical action of vomiting. This combination reflects the traditional understanding of the body's response to internal discomfort.
Vomiting is a common symptom in many illnesses and is often discussed in medical contexts. In daily life, people may use it to describe motion sickness, food poisoning, or even emotional distress. It is also used metaphorically in expressions like “吐苦水” (tǔ kǔ shuǐ), meaning to vent one's troubles.