当とう直ちょく

noun, noun which may take the genitive case particle 'no', noun or participle which takes 'suru', intransitive verb

being on duty; being on watch

Refers to the state of being on duty, especially for night shifts or emergency standby in hospitals, factories, or security roles. Often used with する to mean 'to be on duty'.

• 今こん夜やは当とう直ちょくなので、家いえに帰かえれません。

  I'm on duty tonight, so I can't go home.

• 当とう直ちょくの医い師しを呼よんでください。

  Please call the doctor on duty.

noun

person on duty

Refers to the person who is on duty, especially in a professional setting like a hospital or security post. Often used with の to modify another noun.

• 当とう直ちょくはまだ来きていません。

  The person on duty hasn't arrived yet.