This is the 4298th most frequent Chinese word.
就任
"To take office" or "to assume a position."
In this sentence, '就任' means 'to take up a position or to assume an appointment' and is used to describe a formal acceptance of a role.
他于去年就任公司的首席执行官。
He assumed the position of the company's CEO last year.
Here, '就任' signifies starting a professional role, highlighting the transition from one status (graduate) to another (teacher).
在毕业后，他就任了一所学校的教师。
Upon graduating, he took up a position as a teacher at a school.
'就任' is utilized here to express the incoming inauguration or commencement of duties in an official capacity.