This is the 7302nd most frequent Chinese word.
聘請
"聘請" means "to hire" or "to invite someone to a position or job."
Here, '聘請' is used to denote the act of formally employing someone.
公司決定聘請他為市場部經理。
The company decided to hire him as the Marketing Manager.
In this instance, '聘請' describes the school's action of recruiting for a position.
學校正在聘請新的數學教師。
The school is looking to hire a new Math teacher.
This sentence uses '聘請' to suggest bringing in an expert for assistance.