(LONGMAN2000) guard | Definition: 守卫 | (NGSL) guard | Definition: to keep watch over something to protect it e.g. a bank | | (ESS4000) guard | Definition: To guard something is to take care of it. | Example: →The police officer will guard us from any harm. | | (ESS4000) guardian | Definition: A guardian is someone who protects somebody or something. | Example: →The librarians are the guardians of the books. |