remain in

remain in (something or some place)

1. To continue to be inside of something or some place. We need someone to remain in the house in case Lauren shows up late. He was instructed by the judge to remain in the country while out of prison on bail.
2. To continue to be a member of a group, organization, company, etc. I decided to remain in the army, despite my negative experiences. She said she would remain in the company for at least a year.
See also: remain
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

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.
See also: remain
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also:
References in periodicals archive ?
Today, fewer than 350 drive-in theatres remain in the United States, compared to around 5,326 traditional cinemas (, 2015b; National Association of Theatre Owners, 2015a).
Ahmed had to remain in that room for six-and-a-half hours.
Since William's arrest, none of the family have been allowed to work due to their immigration status and visa violations, and as a consequence, they could not afford to remain in the house they had rented since first arriving in Kentucky in 1995.
"Unfortunately, they are implementing SEVIS on such an aggressive schedule that many questions remain unanswered and numerous technical details remain in flux," Ward testified.
An increasingly important task since the September 11 terrorist attacks, the information will help alert the Immigration and Naturalization Service about foreign visitors who remain in the country after their visas expire.
The program area has one lounge chair (and can accommodate two) in which residents may recline, thereby allowing them to remain in the room for most of the seven-hour day.
In a given year, about 150,000 people pass through the detention system, according to INS estimates, and about 21,000 people remain in detention camp limbo.
Attorney General: "There is no evidence that the INS can locate illegal aliens who remain in the U.S."
but who nevertheless remain in the U.S., many not even in custody.