신입

In a sentence

• 우리 회사에 신입 직원이 두 명 들어왔어요.

  Two new employees joined our company.

  Here, '신입' is used as an adjective to describe '직원' (employees), meaning 'new' in the context of novices to a company.

• 그는 신입답게 열심히 일하고 있어요.

  He's working diligently, just as a new employee would.

  In this sentence, '신입' is used as a noun referring to a 'newcomer' or 'new employee'.

• 신입으로서 처음 일을 시작하는 것은 항상 어려운 일이에요.

  Starting work for the first time as a newcomer is always challenging.

  '신입으로서' uses '신입' as a noun with '-으로서', meaning 'as a new employee', to describe someone acting in that role.