call in sick

病欠の連絡をする(病欠でなくても)

Ex

  • You should call in sick.
  • I’m going to call in sick.

Reference source

  • https://ameblo.jp/yu-meets-english/entry-10006385818.html
  • http://native-phrase-blog.com/call-in-sick:病欠の電話をする/