居い残のこり

noun, noun or participle which takes 'suru', intransitive verb

working overtime; staying late at work

Refers to staying at the workplace beyond regular hours, often to finish tasks. Can be used as a noun or with する.

• 今日きょうは居い残のこりして、明日あしたのプレゼンの準じゅん備びをします。

  I'll stay late today and prepare for tomorrow's presentation.

noun, noun or participle which takes 'suru', intransitive verb

detention; being kept in (e.g. after school)

Often used for students being made to stay after school as punishment. Also used as a noun or with する.

• 宿しゅく題だいを忘わすれたので、放ほう課か後ごに居い残のこりさせられた。

  I forgot my homework, so I was made to stay after school.