1
general::
Phrase(s): remain in (something)
1. to stay within something. • Please remain in the house today. It is too cold to go out. • You should remain in because the weather is bad. 2. to stay in an organization as a member. • He remained in the Boy Scouts until he was sixteen. • I will remain in the teacher’s union for many years.
McGrawhill's American Idioms And Phrasal Verbs