lỗi sai

Meaning

1. error

   noun

   mistake, error

   Mostly a mistake in schoolwork or language; lỗi alone is more common.

   • Cô sửa lỗi sai cho em.

     The teacher corrects my mistakes.

   • Bài viết này còn ba lỗi sai.

     There are still three mistakes in this essay.